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Standards GB - Chinese national standards - Page 5533
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 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WITHDRAWN published on 4.12.2002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WITHDRAWN published on 31.3.1989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WITHDRAWN published on 31.3.1989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WITHDRAWN published on 31.3.1989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WITHDRAWN published on 31.3.1989
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GB/T 11297.3-1989
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Test method for extinction ratio of Nd:YAG laser rods
WITHDRAWN published on 31.3.1989
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GB/T 11297.4-1989
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Test method fornormal pulse lasing threshold and slope efficiency of Nd:YAG laser rods
WITHDRAWN published on 31.3.1989
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GB/T 11297.5-1989
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Test method for continuous lasing threshold slope efficiency and output power of NdYAG laser rods
WITHDRAWN published on 31.3.1989
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GB/T 11297.8-1989
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Test method for pyroelectric coefficient of pyroelectric materials
WITHDRAWN published on 31.3.1989
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GB/T 11297.9-1989
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Test method for dielectric tangent of loss angle of pyroelectric material
WITHDRAWN published on 31.3.1989
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