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Standards GB - Chinese national standards - Page 5675
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 12060-1989
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Sound system equipment explanation of general terms and calculation methods
WITHDRAWN published on 29.12.1989
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GB 12061-1989
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General specification for lead-tinned for electronic components and devices
WITHDRAWN published on 1.1.1989
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GB/T 12062-1989
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Minimum performance requirements on high fidelity audio combination equipment
WITHDRAWN published on 29.12.1989
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GB 12063-1989
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Cylinder honing machine
WITHDRAWN published on 1.1.1989
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GB 12064-1989
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Brake drum cutting machine
WITHDRAWN published on 1.1.1989
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GB 12065-1989
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The equipment for drilling rivetting and grinding brake-shoe lining
WITHDRAWN published on 1.1.1989
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GB 12066-1989
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Disassembly and reassembly machine for axle sleeve
WITHDRAWN published on 1.1.1989
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GB 12067-1989
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Valve refacer
WITHDRAWN published on 1.1.1989
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GB 12068-1989
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Valve seat grinder
WITHDRAWN published on 1.1.1989
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GB 12069-1989
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Hydraulic check-out stand of connecting rod
WITHDRAWN published on 1.1.1989
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