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GB - Chinese national standards - Page 5559

Standards GB - Chinese national standards - Page 5559

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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Preview GB/T 11297.3-1989 31.3.1989

GB/T 11297.3-1989 WITHDRAWN

Test method for extinction ratio of Nd:YAG laser rods

WITHDRAWN published on 31.3.1989

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Preview GB/T 11297.4-1989 31.3.1989

GB/T 11297.4-1989 WITHDRAWN

Test method fornormal pulse lasing threshold and slope efficiency of Nd:YAG laser rods

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Preview GB/T 11297.5-1989 31.3.1989

GB/T 11297.5-1989 WITHDRAWN

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WITHDRAWN published on 31.3.1989

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Preview GB/T 11297.8-1989 31.3.1989

GB/T 11297.8-1989 WITHDRAWN

Test method for pyroelectric coefficient of pyroelectric materials

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Preview GB/T 11297.9-1989 31.3.1989

GB/T 11297.9-1989 WITHDRAWN

Test method for dielectric tangent of loss angle of pyroelectric material

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Preview GB 11298.1-1989 1.1.1989

GB 11298.1-1989 WITHDRAWN

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Preview GB 11298.2-1989 1.1.1989

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WITHDRAWN published on 1.1.1989

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Preview GB 11298.3-1989 1.1.1989

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Preview GB 11298.4-1989 1.1.1989

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Preview GBJ 113-1987 1.12.1987

GBJ 113-1987 WITHDRAWN

Technical specifications for construction of hydraulic sliding formworks

WITHDRAWN published on 1.12.1987

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