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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
Camera
WITHDRAWN published on 10.12.1988
Selected format:Camera—Part 1:Civil miniature camera
WITHDRAWN published on 9.9.2005
Selected format:Method for determining the photographic resolving power of photographic lenses
WITHDRAWN published on 1.1.1988
Selected format:Specifications for optical theodolite
WITHDRAWN published on 1.1.1988
Selected format:Optics and optical instruments--Reference wavelengths
WITHDRAWN published on 10.12.1988
Selected format:Lifting hooks--Mechanical propertieslifting capacitiesstresses and materials
WITHDRAWN published on 10.12.1988
Selected format:Lifting hooks--Technical conditions of shank hook
WITHDRAWN published on 10.12.1988
Selected format:Lifting hooks--Inspection of shank hook in service
WITHDRAWN published on 10.12.1988
Selected format:Lifting hooks--Blanks of shank hook with point
WITHDRAWN published on 10.12.1988
Selected format:Lifting hooks--Shank hooks with point
WITHDRAWN published on 10.12.1988
Selected format:Latest update: 2026-07-24 (Number of items: 2 290 214)
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