2025-12-16 216.73.216.89
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YDN 052-1997 Specifications for B-ISDNATM Layer 450.0 via email in 1~3 business day valid,,1997-3-1
GB/T 15698-1995 Information technology―Telecommunications and information exchange between systems―High-level data link control (HDLC)procedures－General purpose XID frame information field content and format 180.0 via email in 1~3 business day superseded,2009-1-1,1996-4-1
GB/T 15694.1-1995 Identification cards－Identification of issuers－Part 1: Numbering system 130.0 via email in 1~3 business day valid,,1996-4-1
GB/T 15629.2-1995 Information processing systems－Local area networks Part 2: Logical link control 1090.0 via email in 1~10 business day superseded,2009-1-1,1996-2-1
GB/T 15629.3-1995 Information processing systems － Local area networks － Part 3: Carrier sense multiple access with collision detection(CSMA/CD)access method and physical layer specifications 1650.0 via email in 1~3 business day superseded,2015-6-1,1996-2-1
GB/T 15534-1995 Information processing systems--Database language NDL 1814.0 via email in 1~5 business day abolished2005-10-14 ,,1995-12-1
GB/T 15274-1994 Information processing systems－Open systems interconnection－Internal organization of the network layer 300.0 via email in 1~3 business day valid,,1995-8-1
GB/T 15276-1994 Information processing systems - Information exchange between systems - Synchronous transmission signal quality at DTE/DCE interfaces 180.0 via email in 1~3 business day valid,,1995-8-1
GB/T 15129-1994 Information processing systems-Open Systems Interconnection-Service conventions 450.0 via email in 1~3 business day abolished2005-10-14 ,,1995-3-1
GB/T 15125-1994 Information technology－Data communication－25-pole DTE/DCE interface connector and contact number assignments 150.0 via email in 1~3 business day valid,,1995-3-1
GB/T 15123-1994 Information processing－Data communication－DTE/DCE interface back-up control operation using the 25-pole connector 100.0 via email in 1~3 business day superseded2009-01-01,2009-1-1,1995-3-1
GB/T 15124-1994 Information processing system－Data communication－Multilink procedures 180.0 via email in 1~3 business day valid,,1995-3-1
GB/T 15126-1994 Information processing systems－Data communications－Network service definition 450.0 via email in 1~5 business day superseded2008-12-01,2008-12-1,1995-3-1
GB/T 15127-1994 Information processing systems－Data communication－Twisted pair multipoint interconnections 250.0 via email in 1~3 business day superseded2009-02-01,2009-2-1,1995-3-1
YDN 060-1997 High-speed radio paging network management regulations 850.0 via email in 1~5 business day abolished2009-12-01 ,,1994-2-1
YDN 054-1997 Functional Characteristics of Asynchronous Transfer Model of B-ISDN 180.0 via email in 1~3 business day valid,,1994-2-1
GB/T 14398-1993 communication - Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits 120.0 via email in 1~3 business day abolished2017-12-15,,1994-1-1
GB/T 14400-1993 Information processing systems-Data communication. High-level data link control balanced classes of procedures. Data-link layer address resolution/negotiation in switched environments 220.0 via email in 1~3 business day valid,,1994-1-1
GB/T 14397-1993 Information processing－Start-stop transmission signal quality at DTE/DCE interfaces 160.0 via email in 1~3 business day superseded2009-01-01,2009-1-1,1994-1-1
GB/T 14399-1993 Information processing systems－Data communication－High－level data link control procedures－Description of the X.25 LAPB-compatible DTE data link procedures 400.0 via email in 1~5 business day superseded2009-02-01,2009-2-1,1994-1-1
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YDN 052-1997 Specifications for B-ISDNATM Layer  
  Issued on: 1997-8-28   Price(USD): 450.0
GB/T 15698-1995 Information technology―Telecommunications and information exchange between systems―High-level data link control (HDLC)procedures－General purpose XID frame information field content and format 
  Issued on: 1995-08-03   Price(USD): 180.0
GB/T 15694.1-1995 Identification cards－Identification of issuers－Part 1: Numbering system 
  Issued on: 1995-08-03   Price(USD): 130.0
GB/T 15629.2-1995 Information processing systems－Local area networks Part 2: Logical link control 
  Issued on: 1995-06-02   Price(USD): 1090.0
GB/T 15629.3-1995 Information processing systems － Local area networks － Part 3: Carrier sense multiple access with collision detection(CSMA/CD)access method and physical layer specifications 
  Issued on: 1995-6-1   Price(USD): 1650.0
GB/T 15534-1995 Information processing systems--Database language NDL 
  Issued on: 1995-04-05   Price(USD): 1814.0
GB/T 15274-1994 Information processing systems－Open systems interconnection－Internal organization of the network layer 
  Issued on: 1994-01-02   Price(USD): 300.0
GB/T 15276-1994 Information processing systems - Information exchange between systems - Synchronous transmission signal quality at DTE/DCE interfaces 
  Issued on: 1994-1-2   Price(USD): 180.0
GB/T 15129-1994 Information processing systems-Open Systems Interconnection-Service conventions 
  Issued on: 1994-07-01   Price(USD): 450.0
GB/T 15125-1994 Information technology－Data communication－25-pole DTE/DCE interface connector and contact number assignments 
  Issued on: 1994-07-01   Price(USD): 150.0
GB/T 15123-1994 Information processing－Data communication－DTE/DCE interface back-up control operation using the 25-pole connector 
  Issued on: 1994-07-01   Price(USD): 100.0
GB/T 15124-1994 Information processing system－Data communication－Multilink procedures 
  Issued on: 1994-07-01   Price(USD): 180.0
GB/T 15126-1994 Information processing systems－Data communications－Network service definition 
  Issued on: 1994-07-01   Price(USD): 450.0
GB/T 15127-1994 Information processing systems－Data communication－Twisted pair multipoint interconnections 
  Issued on: 1994-07-01   Price(USD): 250.0
YDN 060-1997 High-speed radio paging network management regulations 
  Issued on: 1997-1-1   Price(USD): 850.0
YDN 054-1997 Functional Characteristics of Asynchronous Transfer Model of B-ISDN 
  Issued on: 1997-8-28   Price(USD): 180.0
GB/T 14398-1993 communication - Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits 
  Issued on: 1993-5-1   Price(USD): 120.0
GB/T 14400-1993 Information processing systems-Data communication. High-level data link control balanced classes of procedures. Data-link layer address resolution/negotiation in switched environments 
  Issued on: 1993-05-01   Price(USD): 220.0
GB/T 14397-1993 Information processing－Start-stop transmission signal quality at DTE/DCE interfaces 
  Issued on: 1993-05-01   Price(USD): 160.0
GB/T 14399-1993 Information processing systems－Data communication－High－level data link control procedures－Description of the X.25 LAPB-compatible DTE data link procedures 
  Issued on: 1993-05-01   Price(USD): 400.0
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