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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
Limits and methods of measurement of electromagnetic disturbance characteristics of industrial, scientific and medical (ISM) radio frequency equipment
WITHDRAWN published on 1.1.1996
Selected format:Industrial,scientific and medical(ISM) radio-frequency equipment-Electromagnetic disturbance characteristics-Limits and methods of measurement
WITHDRAWN published on 15.12.1984
Selected format:Industrial, scientific and medical(ISM) radio-frequency equipment—Electromagnetic disturbance characteristics—Limits and methods of measurement
WITHDRAWN published on 13.5.2004
Selected format:Industrial,scientific and medical(ISM) radio-frequency equipment—Disturbance characteristics—Limits and methods of measurement
WITHDRAWN published on 31.12.2013
Selected format:Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement
WITHDRAWN published on 17.12.2019
Selected format:Limits of radio interference of industrial, scientific and medical (ISM) radio frequency equipment
WITHDRAWN published on 1.1.1984
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Test method for partial discharge of conductors on printed boards
WITHDRAWN published on 19.12.1984
Selected format:Test method for current carrying capacity of conductors on printed boards
WITHDRAWN published on 19.12.1984
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2026-08-09 (Number of items: 2 292 444)
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