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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 methods of precious metal pastes used for thick-film microelectronics—Determination of resolution
WITHDRAWN published on 19.8.1998
Selected format:Test methods of precious metal pastes used for thick film microelectronics—Test of solderability and solderleaching resistance
WITHDRAWN published on 19.8.1998
Selected format:Test methods of precious metals pastes used for microelectronics—Determination of solderability and solderelaching resistance
WITHDRAWN published on 31.3.2008
Selected format:Standard test method for distillation of heavy hydrocarbon mixtures(Vacuum potstill method)
WITHDRAWN published on 20.8.1998
Selected format:Standard test method for determination of additive elements,wear metals,and contaminants in used lubricanting oils and determination of selected elements in base oils by inductively coupled plasma atomic emission spectrometry(ICP-AES)
WITHDRAWN published on 20.8.1998
Selected format:Axle and manual transmission lubricant viscosity classification
WITHDRAWN published on 20.8.1998
Selected format:Low-voltage power supply devices, d.c. output—Performance characteristics and safety requirements
WITHDRAWN published on 24.8.1998
Selected format:Method of test for flexibility of putty coatings
WITHDRAWN published on 15.9.1979
Selected format:Determination of aflatoxin B1 in feeds—Enzyme-linked immunosorbent assay
WITHDRAWN published on 28.8.1998
Selected format:The method for determination of choline choride in premix—Spectrophotometry
WITHDRAWN published on 28.8.1998
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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