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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
Test method for physical-chemical properties of electrical carbon product--Pull strength of brush connection
WITHDRAWN published on 1.1.1988
Selected format:Test method for physical-chemical properties of electrical carbon product--Transverse strength
WITHDRAWN published on 1.1.1988
Selected format:Test method for physical-chemical properties of electrical carbon product--Compressive strength
WITHDRAWN published on 1.1.1988
Selected format:Test method for physical-chemical properties of electrical carbon product--Tensile strength
WITHDRAWN published on 1.1.1988
Selected format:Chrome powder--Determination of chromium()
WITHDRAWN published on 26.9.2005
Selected format:Leather and fur—Chemical tests—Determination of formaldehyde content
WITHDRAWN published on 26.9.2005
Selected format:Leather and fur—Chemical tests—Determination of banned azo colourants
WITHDRAWN published on 26.9.2005
Selected format:Fuel consumption quota and its counting and testing method for heat treating production
WITHDRAWN published on 28.9.2005
Selected format:Packaging—Bar code and two-dimensional symbols for shipping, transport and receiving labels
WITHDRAWN published on 7.10.2005
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Latest update: 2025-12-26 (Number of items: 2 253 153)
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