2024-12-4 18.227.209.214
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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,,
DL/T 412-1991 Technical requirements for 600bit/s frequency shift keying (FSK) modem of electric power system 150.0 via email in 1~3 business day valid,,1992-4-1
GB 10293-1988 Test methods of second order digital multiplex equipm-ent operating at 8448kbit/S and using positive justif-ication 90.0 via email in 1~3 business day superseded,1995-1-2,1989-10-1
GB 11324-1989 Performance of the fourth order digital multiplex equipment operating at 139 264kbit/s and using positive justification 180.0 via email in 1~3 business day superseded,1995-1-2,1990-3-1
GB 11325-1989 Test methods of the fourth order digital multiplex equipment operating at 139 264kbit/s and using positive justification 300.0 via email in 1~3 business day valid,,1990-3-1
GB 15843.1-1995 Information technology--Security techniques--Entity authentication mechanisms--Part 1: General model 60.0 via email in 1~3 business day superseded,2000-5-1,1996-6-1
GB 7254-1987 Performance requirement of second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 180.0 via email in 1~3 business day superseded,1995-1-2,1987-11-1
GB 9036.1-1988 General technical requirements and test methods for manual toll telephone switching equipment 130.0 via email in 1~3 business day superseded,1900-1-1,1988-10-1
GB 9036.2-1988 Technical requirements and test methods for toll connecting boards and special boards in manual toll telephone switching equipments 340.0 via email in 1~3 business day superseded,1900-1-1,
GB 9036.3-1988 Technical requirements and test methods for toll service boards (toll recording boards, enquiry deaks)in manual toll telephone switching equipments 220.0 via email in 1~3 business day superseded,1900-1-1,1988-10-1
GB 9036.4-1988 Technical requirements and test methods for service observation desks (quality checking desks) in manual toll telephone switching equipments 180.0 via email in 1~3 business day superseded,,
GB 9036.5-1988 Technical requirements and test methods for monitordesks in manual toll telephone switching equipments 180.0 via email in 1~3 business day superseded,1900-1-1,1988-10-1
GB 9036.6-1988 Technical requirements and test methods for exchangers of operating services in manual toll telephone switching equipments 180.0 via email in 1~3 business day superseded,1900-1-1,1988-10-1
GB 9036.8-1988 Technical requirements and test methods for ringing, power sources, alarm and distribuing frame in manual toll telephone switching equipments 180.0 via email in 1~3 business day superseded,1900-1-1,1988-10-1
GB/T 11052-1989 Specifications of 600 bit/s TDM equipment for telegraph transmission 260.0 via email in 1~3 business day abolished2005-10-14 ,,1992-2-1
GB/T 11055-1989 Technical requirements and test methods for automatic toll terminal equipment 220.0 via email in 1~3 business day valid,,1990-2-1
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
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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):
DL/T 412-1991 Technical requirements for 600bit/s frequency shift keying (FSK) modem of electric power system 
  Issued on: 1991-12-2   Price(USD): 150.0
GB 10293-1988 Test methods of second order digital multiplex equipm-ent operating at 8448kbit/S and using positive justif-ication 
  Issued on:   Price(USD): 90.0
GB 11324-1989 Performance of the fourth order digital multiplex equipment operating at 139 264kbit/s and using positive justification 
  Issued on:   Price(USD): 180.0
GB 11325-1989 Test methods of the fourth order digital multiplex equipment operating at 139 264kbit/s and using positive justification 
  Issued on:   Price(USD): 300.0
GB 15843.1-1995 Information technology--Security techniques--Entity authentication mechanisms--Part 1: General model 
  Issued on: 1995-12-13   Price(USD): 60.0
GB 7254-1987 Performance requirement of second order digital multiplex equipment operating at 8448 kbit/s and using positive justification 
  Issued on:   Price(USD): 180.0
GB 9036.1-1988 General technical requirements and test methods for manual toll telephone switching equipment 
  Issued on:   Price(USD): 130.0
GB 9036.2-1988 Technical requirements and test methods for toll connecting boards and special boards in manual toll telephone switching equipments 
  Issued on:   Price(USD): 340.0
GB 9036.3-1988 Technical requirements and test methods for toll service boards (toll recording boards, enquiry deaks)in manual toll telephone switching equipments 
  Issued on:   Price(USD): 220.0
GB 9036.4-1988 Technical requirements and test methods for service observation desks (quality checking desks) in manual toll telephone switching equipments 
  Issued on:   Price(USD): 180.0
GB 9036.5-1988 Technical requirements and test methods for monitordesks in manual toll telephone switching equipments 
  Issued on:   Price(USD): 180.0
GB 9036.6-1988 Technical requirements and test methods for exchangers of operating services in manual toll telephone switching equipments 
  Issued on:   Price(USD): 180.0
GB 9036.8-1988 Technical requirements and test methods for ringing, power sources, alarm and distribuing frame in manual toll telephone switching equipments 
  Issued on: 1988-04-13   Price(USD): 180.0
GB/T 11052-1989 Specifications of 600 bit/s TDM equipment for telegraph transmission 
  Issued on: 1989-03-31   Price(USD): 260.0
GB/T 11055-1989 Technical requirements and test methods for automatic toll terminal equipment 
  Issued on:   Price(USD): 220.0
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
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