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Standards GB - Chinese national standards - Page 5558
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 11290-1989
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Specification for fault oscillograph panel
WITHDRAWN published on 1.1.1989
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GB 11291-1997
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Industrial robots—Safety specification
WITHDRAWN published on 2.9.1997
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GB/T 11292-1989
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Numerical control of machines--NC processor output--Minor elements of 2000-type records (post-processor commands)
WITHDRAWN published on 31.3.1989
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GB 11294-1989
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Commonly used terms for semiconductor photoelectric materials and pyroelectric materials in infrared detecting materials
WITHDRAWN published on 1.1.1989
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GB/T 11297.1-1989
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Test method for wavefront distortion of laser rods
WITHDRAWN published on 31.3.1989
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GB/T 11297.1-2002
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Test method for wavefront distortion of laser rods
WITHDRAWN published on 4.12.2002
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GB/T 11297.10-1989
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Test method for Curie temperature of pyroelectric materials
WITHDRAWN published on 31.3.1989
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GB/T 11297.11-1989
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Test method for the dielectric constant of pyroelectric materials
WITHDRAWN published on 31.3.1989
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GB/T 11297.12-1989
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Test method forextinction ratio of LN KDP and KDP electrooptic crystal
WITHDRAWN published on 31.3.1989
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GB/T 11297.2-1989
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Test method for side direction scattering coefficient of laser rods
WITHDRAWN published on 31.3.1989
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