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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
Methods of measurement for pyroelectric television cameras
WITHDRAWN published on 6.12.1994
Selected format:Coated abrasives--Abrasive sheets--Dimensions and tolerances
WITHDRAWN published on 20.12.1994
Selected format:Coated abrasives—Abrasive rolls—Dimensions and tolerances
WITHDRAWN published on 20.12.1994
Selected format:Coated abrasives—Abrasive belts—Dimensions and tolerances
WITHDRAWN published on 20.12.1994
Selected format:Coated abrasives--Abrasive discs--Dimensions and tolerances
WITHDRAWN published on 20.12.1994
Selected format:Indexable inserts for cutting tools—Ceramic inserts with rounded corners—Dimensions of inserts without fixing hole(Class G)
WITHDRAWN published on 20.12.1994
Selected format:Indexable inserts for cutting tools—Ceramic inserts with rounded corners—Dimensions of inserts with cylindrical fixing hole
WITHDRAWN published on 20.12.1994
Selected format:Indexable inserts for cutting tools—Ceramic inserts with rounded corners—Dimensions of inserts without fixing hole(Class U)
WITHDRAWN published on 20.12.1994
Selected format:Indexable inserts for cutting tools—Ceramic inserts with rounded corners—Specifications
WITHDRAWN published on 20.12.1994
Selected format:Drills with indexable inserts—Cylindrical shanks with a parallel flat
WITHDRAWN published on 20.12.1994
Selected format:Latest update: 2026-01-21 (Number of items: 2 257 297)
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