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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
Dovetail and inverse dovetail milling cutters with flatted parallel shanks
WITHDRAWN published on 28.4.1986
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WITHDRAWN published on 1.1.1965
Selected format:Dovetail and inrerse dovetail milling cutters with parallel shanks technical specificatians
WITHDRAWN published on 28.4.1986
Selected format:Gear shaper cutters for internal involute splines basic types and dimensions
WITHDRAWN published on 1.1.1986
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WITHDRAWN published on 1.1.1986
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WITHDRAWN published on 1.1.1986
Selected format:Cellular plastics and rubbers—Determination of apparent (bulk) density
WITHDRAWN published on 6.7.1995
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WITHDRAWN published on 1.1.1986
Selected format:Polymeric materials, cellular flexible—Determination of tensile strength and elongation at break
WITHDRAWN published on 10.4.1996
Selected format:Information technology—Chinese ideogram coded character set (basic set)—32 dot matrix font:Song Ti
WITHDRAWN published on 2.1.2001
Selected format:Latest update: 2026-11-05 (Number of items: 2 209 078)
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