2025-12-5 10.1.6.65
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
GB/T 21548-2021 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 225.0 via email in 1~3 business day valid,,2021-8-1
DB13/T 5120-2019 via email in business day abolished2025-10-08,,2019-12-28
GB/T 33768-2017 Rfeliability test method for optoelectronic devices used in telecommunications 550.0 via email in 1~5 business day valid,,2017-12-1
DL/T 1124-2009 Digital power - line carrier terminals 310.0 via email in 1~3 business day valid,,2009-12-1
GB/T 21548-2008 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 370.0 via email in 1~5 business day superseded,2021-8-1,2008-11-1
GB/T 7329-2008 Coupling devices for power line carrier systems 180.0 via email in 1~3 business day valid,,2008-10-1
GB/T 7330-2008 Line traps for a.c. power systems 450.0 via email in 1~3 business day valid,,2008-10-1
GB/T 21194-2007 Generic reliability assurance requirements for optoelectronic devices used in telecommunications equipment 220.0 via email in 1~3 business day valid,,2008-5-1
YD/T 1468-2006 Technical Requirements of IPSec Traverse NAT 330.0 via email in 1~3 business day valid,,2006-10-1
YD/T 1470-2006 Technical Requirements of Telephony Routing over IP (TRIP) 510.0 via email in 1~3 business day valid,,2006-10-1
YD/T 1466-2006 Technical Requirements of IP Security (IPSec) 420.0 via email in 1~3 business day valid,,2006-10-1
YD/T 1467-2006 Testing Methods of IP Security (IPSec) 570.0 via email in 1~3 business day valid,,2006-10-1
YD/T 1469-2006 Technical Requirements for Diameter Base Protocol in IP Network 1050.0 via email in 1~3 business day valid,,2006-10-1
GB 13836-2000 distribution systems for television and sound signals - Part 2: Electromagnetic compatibility of equipment 300.0 via email in 1~3 business day valid,,2001-10-1
GB/T 7255-1998 Single sideband power-line carrier terminals 330.0 via email in 1~3 business day valid,,1998-1-2
GB/T 7329-1998 Coupling devices for power line carrier systems 160.0 via email in 1~3 business day superseded2008-10-01,2008-10-1,1998-1-2
YD/T 642-1993 Reliability indicator and test method of carrier communication equipment 300.0 via email in 1~3 business day abolished2009-12-01,,1994-9-1
YD/T 689-1994 Quality grading criteria of rural and urban local subscriber loop carrier equipment 150.0 via email in 1~3 business day abolished2009-12-01 ,,1994-5-18
GB/T 14240-1993 Specification of SHF 12-channel carrier systems and equipments for open-wire pair 130.0 via email in 1~3 business day abolished2005-10-14,,1993-1-1
GB/T 14239-1993 Specifications for basic frequenceis of carrier supply systems 180.0 via email in 1~3 business day abolished2005-10-14 ,,1993-1-1
Previous Page     Next Page



Code of China
Search

GB/T 21548-2021 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 
  Issued on: 2021-04-30   Price(USD): 225.0
DB13/T 5120-2019  
  Issued on: 2019-11-28   Price(USD):
GB/T 33768-2017 Rfeliability test method for optoelectronic devices used in telecommunications 
  Issued on: 2017-05-31   Price(USD): 550.0
DL/T 1124-2009 Digital power - line carrier terminals 
  Issued on: 2009-7-22   Price(USD): 310.0
GB/T 21548-2008 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 
  Issued on: 2008-03-31   Price(USD): 370.0
GB/T 7329-2008 Coupling devices for power line carrier systems 
  Issued on: 2008-03-25   Price(USD): 180.0
GB/T 7330-2008 Line traps for a.c. power systems  
  Issued on: 2008-3-25   Price(USD): 450.0
GB/T 21194-2007 Generic reliability assurance requirements for optoelectronic devices used in telecommunications equipment 
  Issued on: 2007-11-14   Price(USD): 220.0
YD/T 1468-2006 Technical Requirements of IPSec Traverse NAT 
  Issued on: 2006-6-8   Price(USD): 330.0
YD/T 1470-2006 Technical Requirements of Telephony Routing over IP (TRIP) 
  Issued on: 2006-6-8   Price(USD): 510.0
YD/T 1466-2006 Technical Requirements of IP Security (IPSec) 
  Issued on: 2006-6-8   Price(USD): 420.0
YD/T 1467-2006 Testing Methods of IP Security (IPSec) 
  Issued on: 2006-6-8   Price(USD): 570.0
YD/T 1469-2006 Technical Requirements for Diameter Base Protocol in IP Network 
  Issued on: 2006-6-8   Price(USD): 1050.0
GB 13836-2000 distribution systems for television and sound signals - Part 2: Electromagnetic compatibility of equipment 
  Issued on: 2000-10-17   Price(USD): 300.0
GB/T 7255-1998 Single sideband power-line carrier terminals 
  Issued on: 1998-3-16   Price(USD): 330.0
GB/T 7329-1998 Coupling devices for power line carrier systems 
  Issued on: 1998-03-01   Price(USD): 160.0
YD/T 642-1993 Reliability indicator and test method of carrier communication equipment 
  Issued on: 1994-03-26   Price(USD): 300.0
YD/T 689-1994 Quality grading criteria of rural and urban local subscriber loop carrier equipment 
  Issued on: 1994-05-18   Price(USD): 150.0
GB/T 14240-1993 Specification of SHF 12-channel carrier systems and equipments for open-wire pair 
  Issued on: 1993-03-16   Price(USD): 130.0
GB/T 14239-1993 Specifications for basic frequenceis of carrier supply systems 
  Issued on: 1993-03-16   Price(USD): 180.0
About Us   |    Contact Us   |    Terms of Service   |    Privacy   |    Cancellation & Refund Policy   |    Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Beijing COC Tech Co., Ltd. 2008-2040