2024-11-24 3.142.156.58
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
DB11/T 1139-2019 via email in business day abolished2024-04-01 ,2024-4-1,2020-4-1
DB11/T 1139-2023 The stipulation of energy efficiency limit of data centers 135.0 via email in 1~3 business day valid,,2024-4-1
DB11/T 1158-2015 via email in business day valid,,
GA/T 1578-2019 Specifications for construction of public security communication network for urban rail transit 220.0 via email in 1~3 business day valid,,2019-7-1
GB 12048-1989 Requirements for clock and synchronization equipment used in the digital network 100.0 via email in 1~3 business day valid,,1990-7-1
GB 4575-1984 Frequency comparison pilot series for the FDM systems in the toll communication network 30.0 via email in 1~3 business day abolished2005-10-14 ,,1985-4-1
GB/T 11324-1995 Performance and test methods of the fourth order digital multiplex equimpent operating at 139264 kbit/s and using positive justification 270.0 via email in 1~3 business day valid,,1995-1-2
GB/T 11589-1999 International user classes of service in，and categories of access to，public data networks and integrated services digital networks （ISDNs） 220.0 via email in 1~3 business day superseded,2011-11-1,2000-3-1
GB/T 11589-2011 International user classes of service in,and categories of access to,public data networks and integrated services digital networks(ISDNs) 250.0 via email in 1~3 business day valid,,2011-11-1
GB/T 11590-1999 International data transmission services and optional user facilities in public data networks and ISDNs 340.0 via email in 1~5 business day abolished2011-11-01,2011-11-1,2000-3-1
GB/T 11590-2011 International data transmission services and optional user facilities in public data networks and ISNDs 360.0 via email in 1~3 business day valid,,2011-11-1
GB/T 11591-1999 Packet assembly/disassembly facility (PAD)in a public data network 300.0 via email in 1~5 business day superseded,2011-11-1,2000-6-1
GB/T 11591-2011 Packet assembly/disassembly facility(PAD) in a public data network 360.0 via email in 1~3 business day valid,,2011-11-1
GB/T 11593-2001 Interface between data terminal equipment and data circuit-terminating equipment for synchronous operation on public data networks 600.0 via email in 1~3 business day valid,,2002-6-1
GB/T 11599-1989 Use on public data networks of data terminal equipment(DTE) which is designed for interfacing to synchronous V-series MODEMS 150.0 via email in 1~3 business day abolished2009-12-01,2009-12-1,1990-3-1
GB/T 11599-2009 Use on public data networks of data terminal equipment (DTE)which is designed for interfacing to synchronous V-series MODEMs 220.0 via email in 1~3 business day valid,,2009-12-1
GB/T 11600-1989 Use on public data networks of data terminal equipment(DTE) which is designed for interfacing to asynchronous duplex V-series MODEMS 264.0 via email in 1~3 business day abolished2009-12-01,2009-12-1,1990-3-1
GB/T 11600-2009 Use on public data networks of data terminal equipment (DTE)which is designed for interfacing to asynchronous duplex V-series MODEMS 160.0 via email in 1~3 business day valid,,2009-12-1
GB/T 12171-1990 Specification for TDM/FDM60-channel transmultiplexing equipments used in the telecommunication network 450.0 via email in 1~3 business day abolished2017-12-15,,1990-8-1
GB/T 12640-1990 Methods of measurement for the digital microwave radio relay communication equipments 450.0 via email in 1~3 business day valid,,1991-10-1
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DB11/T 1139-2019  
  Issued on: 2019-12-23   Price(USD):
DB11/T 1139-2023 The stipulation of energy efficiency limit of data centers 
  Issued on: 2023-12-25   Price(USD): 135.0
DB11/T 1158-2015  
  Issued on: 2015-01-28   Price(USD):
GA/T 1578-2019 Specifications for construction of public security communication network for urban rail transit 
  Issued on: 2019-07-01   Price(USD): 220.0
GB 12048-1989 Requirements for clock and synchronization equipment used in the digital network 
  Issued on: 1989-01-02   Price(USD): 100.0
GB 4575-1984 Frequency comparison pilot series for the FDM systems in the toll communication network 
  Issued on: 1984-07-17   Price(USD): 30.0
GB/T 11324-1995 Performance and test methods of the fourth order digital multiplex equimpent operating at 139264 kbit/s and using positive justification 
  Issued on: 1995-04-06   Price(USD): 270.0
GB/T 11589-1999 International user classes of service in，and categories of access to，public data networks and integrated services digital networks （ISDNs） 
  Issued on: 1999-08-02   Price(USD): 220.0
GB/T 11589-2011 International user classes of service in,and categories of access to,public data networks and integrated services digital networks(ISDNs) 
  Issued on: 2011-7-29   Price(USD): 250.0
GB/T 11590-1999 International data transmission services and optional user facilities in public data networks and ISDNs 
  Issued on: 1999-08-02   Price(USD): 340.0
GB/T 11590-2011 International data transmission services and optional user facilities in public data networks and ISNDs 
  Issued on: 2011-7-29   Price(USD): 360.0
GB/T 11591-1999 Packet assembly/disassembly facility (PAD)in a public data network 
  Issued on: 1999-01-01   Price(USD): 300.0
GB/T 11591-2011 Packet assembly/disassembly facility(PAD) in a public data network 
  Issued on: 2011-7-29   Price(USD): 360.0
GB/T 11593-2001 Interface between data terminal equipment and data circuit-terminating equipment for synchronous operation on public data networks 
  Issued on: 2001-11-5   Price(USD): 600.0
GB/T 11599-1989 Use on public data networks of data terminal equipment(DTE) which is designed for interfacing to synchronous V-series MODEMS 
  Issued on: 1989-08-21   Price(USD): 150.0
GB/T 11599-2009 Use on public data networks of data terminal equipment (DTE)which is designed for interfacing to synchronous V-series MODEMs 
  Issued on: 2009-09-30   Price(USD): 220.0
GB/T 11600-1989 Use on public data networks of data terminal equipment(DTE) which is designed for interfacing to asynchronous duplex V-series MODEMS 
  Issued on: 1989-08-21   Price(USD): 264.0
GB/T 11600-2009 Use on public data networks of data terminal equipment (DTE)which is designed for interfacing to asynchronous duplex V-series MODEMS 
  Issued on: 2009-09-30   Price(USD): 160.0
GB/T 12171-1990 Specification for TDM/FDM60-channel transmultiplexing equipments used in the telecommunication network 
  Issued on: 1990-1-12   Price(USD): 450.0
GB/T 12640-1990 Methods of measurement for the digital microwave radio relay communication equipments 
  Issued on: 1990-1-2   Price(USD): 450.0
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