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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
Hydraulic excavatorrollers
WITHDRAWN published on 1.1.1989
Selected format:Specification for the rubber isolator of vibratory rollers
WITHDRAWN published on 1.1.1989
Selected format:General service incandescent lamps
WITHDRAWN published on 31.3.1989
Selected format:Tungsten filament lamps for domestic and similar general lighting purposes—Performance requirements
WITHDRAWN published on 4.2.2004
Selected format:Tabular fluorescent lamps for general lighting service
WITHDRAWN published on 31.3.1989
Selected format:Double-capped fluorescent lamps—Performance specifications
WITHDRAWN published on 21.5.2002
Selected format:Designation of the types of filament
WITHDRAWN published on 1.1.1989
Selected format:Stranded tungsten wire coils
WITHDRAWN published on 1.1.1989
Selected format:Test method of determining wool fibres diameter by the projection microscope
WITHDRAWN published on 31.3.1989
Selected format:Testing method of copper alloy tools for explosive atmospheres
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-04-28 (Number of items: 2 274 955)
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