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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
Calibration for radiation protection in struments beta doseratemeters
WITHDRAWN published on 30.12.1988
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Gamma radioimmunoassay counter
WITHDRAWN published on 31.3.1996
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Radioactivity meter
WITHDRAWN published on 28.7.1997
Selected format:Quality inspection rule for nuclear instruments and nuclear radiation detectors
WITHDRAWN published on 1.1.1988
Selected format:Quality inspection rule for nuclear instruments and nuclear radiation detectors
WITHDRAWN published on 24.10.2001
Selected format:Standard NIM digital bus (NIM/GPIB)
WITHDRAWN published on 1.1.1988
Selected format:-
WITHDRAWN published on 1.1.1988
Selected format:Liquid-scintillation counting system
WITHDRAWN published on 23.2.1998
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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