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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
Anti-color change corrosion testing method of the metal deposits and conversion coatings for the light industrial products--Hydrogen sulfide test
WITHDRAWN published on 1.1.1986
Selected format:Evaluation of the corrosion test results of the metal deposits for the light industrial products
WITHDRAWN published on 1.1.1986
Selected format:Testing method of the oxidation treatment coatings of the aluminum and aluminum alloys for the light industrial products
WITHDRAWN published on 1.1.1986
Selected format:San-he cattle
WITHDRAWN published on 11.3.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Photometric characteristics of motocycle headlamps epuipped with filament light sources
WITHDRAWN published on 19.10.1998
Selected format:Test method of alveolus and gas line in transparent silica glass
WITHDRAWN published on 15.3.1986
Selected format:Marine bronze male thread stop valves
WITHDRAWN published on 15.12.1983
Selected format:The general principles for the test method of whiteness of products of the building materials and non-metals
WITHDRAWN published on 1.1.1986
Selected format:Method for measurement of whiteness of building materials and non-metal mineral products
WITHDRAWN published on 26.3.1996
Selected format:Latest update: 2026-04-26 (Number of items: 2 274 794)
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