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Standards GB - Chinese national standards - Page 5909
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
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GB/T 13419-1998
WITHDRAWN
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Electromechanical switches for use in electronic equipment Part 6:Sectional specification for sensitive switches
WITHDRAWN published on 2.11.1998
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GB/T 13420-1998
WITHDRAWN
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Electromechanical switches for use in electronic equipment Part 6:Sectional specification for sensitive switches Section 1:Blank detail specification
WITHDRAWN published on 2.11.1998
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GB 13421-1992
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Limits of maximum permitted spurious emission power levels and methods of measurement for radio transmitters
WITHDRAWN published on 10.3.1992
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GB/T 13422-1992
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Power semiconductor converters Electrical test methods
WITHDRAWN published on 13.4.1992
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GB/T 13423-1992
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Criteria for the evaluation of software used for industry control
WITHDRAWN published on 6.4.1992
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GB/T 13424-1992
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Specifications for microfilm processors
WITHDRAWN published on 16.4.1992
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GB/T 13425-1992
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Measurement for 24-channels submarine coaxial cable carrier telephone equipment
WITHDRAWN published on 10.3.1992
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GB/T 13429-1992
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Measurement methods for 120-channel submarine coaxial cable carrier telephone equipment
WITHDRAWN published on 10.3.1992
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GB 1343.1-1984
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WITHDRAWN published on 1.1.1984
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GB 1343.10-1984
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WITHDRAWN published on 1.1.1984
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