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GB - Chinese national standards - Page 7748

Standards GB - Chinese national standards - Page 7748

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 4243-1984 28.3.1984

GB/T 4243-1984 WITHDRAWN

Long fluted machine reamers with Morse taper shanks

WITHDRAWN published on 28.3.1984

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Preview GB/T 4243-2004 10.2.2004

GB/T 4243-2004 WITHDRAWN

Long fluted machine reamers, Morse tape shanks

WITHDRAWN published on 10.2.2004

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Preview GB/T 4244-1984 28.3.1984

GB/T 4244-1984 WITHDRAWN

Machine reamers with edge inclination with parallel shanks

WITHDRAWN published on 28.3.1984

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Preview GB/T 4244-2004 10.2.2004

GB/T 4244-2004 WITHDRAWN

Machine reamers with edge inclination with parallel shanks

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Preview GB/T 4245-1984 28.3.1984

GB/T 4245-1984 WITHDRAWN

Machine reamers--Technical requirements

WITHDRAWN published on 28.3.1984

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Preview GB/T 4246-1984 28.3.1984

GB/T 4246-1984 WITHDRAWN

Special tolerance for reamers

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Preview GB/T 4247-1984 28.3.1984

GB/T 4247-1984 WITHDRAWN

Machine bridge reamers with Morse taper shanks

WITHDRAWN published on 28.3.1984

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Preview GB/T 4247-2004 10.2.2004

GB/T 4247-2004 WITHDRAWN

Machine bridge reamers with Morse taper shanks

WITHDRAWN published on 10.2.2004

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Preview GB/T 4248-1984 28.3.1984

GB/T 4248-1984 WITHDRAWN

Hand taper 1:50 reamers--Technical requirements

WITHDRAWN published on 28.3.1984

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Preview GB 4249-1984 1.1.1984

GB 4249-1984 WITHDRAWN

Tolerancing principles

WITHDRAWN published on 1.1.1984

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