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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 5:Moisture barrier polyethylene sheathed and seperated(inner-screened)local telecommunication cables with copper conductors and solid or cellular polyolefin insulation
WITHDRAWN published on 28.12.1993
Selected format:-
WITHDRAWN published on 1.1.1978
Selected format:Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital singals
WITHDRAWN published on 23.7.1998
Selected format:Electrical measuring transducers for converting a. c. electrical quantities into d. c. electrical quantities Part 1: General purpose transducers
WITHDRAWN published on 1.1.1992
Selected format:Electrical measuring transducers for converting a. celectrical quantities into d. celectrical quantities Patr 2; Transducers for outdoor use and other severe environments
WITHDRAWN published on 1.1.1992
Selected format:Traffic safety signs on inland waterways
WITHDRAWN published on 7.4.2008
Selected format:Traffic safety signs on inland waterways
WITHDRAWN published on 14.10.2019
Selected format:Traffic safety signs on inland waterways—General principles
WITHDRAWN published on 5.12.1992
Selected format:Traffic safety signs on inland waterways—Signs
WITHDRAWN published on 5.12.1992
Selected format:Traffic safety signs on inland waterways—Layoff and mounting
WITHDRAWN published on 5.12.1992
Selected format:Latest update: 2026-07-31 (Number of items: 2 290 450)
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