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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
Wideband modem for synchronous data transmission at a data signalling rate higher than 72 kbit/s using 60108kHz group band circuits
WITHDRAWN published on 30.6.1988
Selected format:Cotton spinning machinery—Working width
WITHDRAWN published on 4.7.1988
Selected format:Fixed resistors for use in electronic equipment—Part 8:Sectional specification:Fixed chip resistors
WITHDRAWN published on 24.7.1995
Selected format:Fixed resistors for use in electronic equipment—Part 8:Blank detail specification:Fixed chip resistors Assessment level E
WITHDRAWN published on 31.12.1994
Selected format:Parathion-methyl technical
WITHDRAWN published on 11.6.1999
Selected format:80%Parathion-methyl technical concentrate solution
WITHDRAWN published on 11.6.1999
Selected format:50%Parathion-methyl emulsifiable concentrates
WITHDRAWN published on 11.6.1999
Selected format:Chlorothalonil technical
WITHDRAWN published on 11.6.1999
Selected format:Chlorothalonil wettable powders
WITHDRAWN published on 11.6.1999
Selected format:Jinggangmeisu aqueous solution
WITHDRAWN published on 30.12.1993
Selected format:Latest update: 2024-09-05 (Number of items: 2 346 132)
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