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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
Determination of silicon content in tellurium--n-butyl alcohol extraction silicon-molybdenum blue photometric method
WITHDRAWN published on 1.1.1980
Selected format:Ships and marine technology—Fire resistance of hose assemblies—Requirements for the test bench
WITHDRAWN published on 3.3.2008
Selected format:Ships and marine technology—Fire resistance of hose assemblies—Test methods
WITHDRAWN published on 3.3.2008
Selected format:Ships and marine technology—Marine environment protection—Terminology relating to oil spill response
WITHDRAWN published on 3.3.2008
Selected format:Ships and marine technology—Marine environment protection—Terminology relating to oil spill response
WITHDRAWN published on 30.12.2016
Selected format:Hexagon nut with shoulder
WITHDRAWN published on 1.1.1991
Selected format:Ship and marine technology—Pneumatic rubber fenders
WITHDRAWN published on 3.3.2008
Selected format:Hydraulic fluid power—Filter elements—Sequence of tests for verifying performance characteristics
WITHDRAWN published on 5.3.2008
Selected format:Truck dumper
WITHDRAWN published on 15.2.2008
Selected format:Spherical nut with shoulder
WITHDRAWN published on 1.1.1991
Selected format:Latest update: 2026-01-11 (Number of items: 2 254 176)
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