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GB - Chinese national standards - Page 7619

Standards GB - Chinese national standards - Page 7619

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 4340.2-1999 10.10.1999
GB/T 4340.2-1999 WITHDRAWN

Metallic vickers hardness test—Part 2:Verification of hardness testers

WITHDRAWN published on 10.10.1999

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Preview GB/T 4340.2-2012 31.12.2012
GB/T 4340.2-2012 WITHDRAWN

Metallic materials - Vickers hardness test - Part 2Verification and calibration of testing machines

WITHDRAWN published on 31.12.2012

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Preview GB/T 4340.3-1999 10.10.1999
GB/T 4340.3-1999 WITHDRAWN

Metallic vickers hardness test—Part 3:Calibration of hardness reference blocks

WITHDRAWN published on 10.10.1999

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Preview GB/T 4340.3-2012 31.12.2012
GB/T 4340.3-2012 WITHDRAWN

Metallic materials - Vickers hardness test - Part 3Calibration of reference blocks

WITHDRAWN published on 31.12.2012

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Preview GB/T 4340.4-2009 25.6.2009
GB/T 4340.4-2009 WITHDRAWN

Metallic materials—Vickers hardness test—Part 4:Tables of hardness values

WITHDRAWN published on 25.6.2009

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Preview GB/T 4341-1984 1.1.1984
GB/T 4341-1984 WITHDRAWN

Metallic materials--Shore hardness test

WITHDRAWN published on 1.1.1984

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in 2 working days
Preview GB/T 4341-2001 17.12.2001
GB/T 4341-2001 WITHDRAWN

Metallic materials—Shore hardness test

WITHDRAWN published on 17.12.2001

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Preview GB/T 4342-1991 1.1.1991
GB/T 4342-1991 WITHDRAWN

Metallic materials--Vickers microhardness test

WITHDRAWN published on 1.1.1991

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Preview GB 4343-1995 25.8.1995
GB 4343-1995 WITHDRAWN

Limits and methods of measurement of radio disturbance characteristics of electrical motor-operated and thermal appliances for house-hold and similar purposes, electric tools and similar electric apparatus

WITHDRAWN published on 25.8.1995

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Preview GB 4343.1-2003 9.10.2003
GB 4343.1-2003 WITHDRAWN

Electromagnetic compatibility—Requirements for household appliances, electric tools and similar apparatus—Part 1:Emission

WITHDRAWN published on 9.10.2003

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