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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
Specifications for short to medium ranges electro-optical distance measurements
WITHDRAWN published on 28.5.1997
Selected format:Planetabling specifications for 1:5001100012000 topographic maps
WITHDRAWN published on 28.5.1997
Selected format:Specifications for planetabling of 1:500 1:1 000 1:2 000 topographic maps
WITHDRAWN published on 29.6.2012
Selected format:Method of test for temperature limit of brittleness for vulcanized rubbers
WITHDRAWN published on 1.1.1982
Selected format:Rubber, vulcanized—Determination of low-temperature brittleness(single test piece method)
WITHDRAWN published on 24.9.1994
Selected format:Cartography Terms
WITHDRAWN published on 28.5.1997
Selected format:General test methods of power supply equipments for telecommunications
WITHDRAWN published on 28.5.1997
Selected format:Method of tightening test for threaded fasteners
WITHDRAWN published on 29.5.1997
Selected format:Hexagon head tapping screws with collar
WITHDRAWN published on 29.5.1997
Selected format:Hexagon washer head tapping screws
WITHDRAWN published on 24.2.2016
Selected format:Latest update: 2025-11-12 (Number of items: 2 243 625)
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