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Standards GB - Chinese national standards - Page 5832
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 13133-1991
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Data communication—DTE to DTE physical connection using X.24 interchange circuits with DTE provided timing
WITHDRAWN published on 15.8.1991
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GB/T 13136-1991
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Specifications for the local subscriber loop carrier equipment
WITHDRAWN published on 15.8.1991
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GB/T 13137-1991
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Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5mm coaxial cable
WITHDRAWN published on 15.8.1991
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GB/T 13138-1991
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Synchros General specification for
WITHDRAWN published on 15.8.1991
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GB/T 13138-2008
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General specification for synchro
WITHDRAWN published on 22.1.2008
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GB/T 13139-1991
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Hysteresis synchronous motors General specification for
WITHDRAWN published on 15.8.1991
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GB/T 1314-1991
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Basic parameters for flow measuring instruments
WITHDRAWN published on 14.12.1991
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GB 13140.1-1997
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Connecting devices for low voltage circuits for household and similar purposes Part 1:General requirements
WITHDRAWN published on 28.6.1997
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GB 13140.2-1995
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Connecting devices for household and similar fixed electrical installations. Particular requirements for screwless terminals for connecting copper conductors
WITHDRAWN published on 1.1.1995
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GB 13140.2-1998
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Connecting devices for low voltage circuits for household and similar purposes Part 2:Particular requirements for connecting devices as separate entities with screw-type clamping units
WITHDRAWN published on 17.8.1998
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