2025-12-14 216.73.216.3
Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Code of China
Chinese National Standard List: Telephone communication equipment

YD/T 688-1994 Quality grading criteria of digital SPC telephone exchanges 
  Issued on: 1994-05-18   Translation Price(USD): 260.0
YD/T 687-1994 Quality grading criteria of space-division SPC telephone exchanges 
  Issued on: 1994-05-18   Translation Price(USD): 100.0
YD/T 675-1994 Quality grading criteria of digital SPC private branch exchanger 
  Issued on: 1994-05-18   Translation Price(USD): 120.0
YD/T 686-1994 Quality grading criteria of automatic telephone sets 
  Issued on: 1994-05-18   Translation Price(USD): 220.0
YDN 067-1997 ATM switch technical specifications (Temporary Provisions) (internal standard) 
  Issued on: 1998-01-05   Translation Price(USD): 2510.0
YDN 065-1997 General Technical Specification for Telephone Switching Equipment of Ministry of Posts and Telecommunications (Including Appendix) 
  Issued on: 1997-01-01   Translation Price(USD): 500.0
GB/T 14381-1993 specification for stored program control digital private automatic branch telephone exchange system 
  Issued on: 1993-5-14   Translation Price(USD): 1050.0
JT/T 8200-1993 Technical requirements of high class highway emergency telephone 
  Issued on: 1993-05-07   Translation Price(USD): 410.0
YD/T 614-1993 Technical conditions of telephone network number inquiry system 
  Issued on: 1993-01-18   Translation Price(USD): 160.0
GB/T 3972-1992 Relays for crossbar telephone switching systems 
  Issued on: 1992-10-06   Translation Price(USD): 1824.0
GB/T 3973-1992 Crossbar switches 
  Issued on: 1992-10-06   Translation Price(USD): 250.0
YD/T 542-1992 Technical specification of telephone dial 
  Issued on:   Translation Price(USD): 180.0
GB/T 12197-1990 Methods of measurement for pushbutton telephone with DTMF 
  Issued on: 1990-02-01   Translation Price(USD): 1064.0
GB/T 12195-1990 Methods of measurement for pushbutton telephone with pulse 
  Issued on: 1990-02-01   Translation Price(USD): 330.0
GB 10753-1989 Jack and plug for indoor telephone 
  Issued on:   Translation Price(USD): 160.0
YDJ 20-1988 Temporary Technical Regulation for Installation Design of Computerized Telephone Exchange Equipment 
  Issued on: 1988-8-23   Translation Price(USD): 840.0
YDJ 50-1988 Technical Specifications for Installation Engineering Construction and Acceptance of Urban Local Telephone SPC Exchange Equipment 
  Issued on: 1988-8-23   Translation Price(USD): 540.0
YDJ 11-1987 Specification for Installation Design of Long-Distance Manual Telephone Exchange Equipment 
  Issued on: 1988-6-20   Translation Price(USD): 480.0
GB/T 9032-1988 Performance requirements of pushbutton telephone with pulse 
  Issued on: 1988-04-13   Translation Price(USD): 180.0
GB 9036.7-1988 Technical requirements and test methods for relays in manual toll telephone switching equipments 
  Issued on:   Translation Price(USD): 180.0
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