GB - Chinese national standards - Page 5996

Standards GB - Chinese national standards - Page 5996

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GB/T 13979-1992 WITHDRAWN

Helium mass spectrometer leak detector

WITHDRAWN published on 17.12.1992

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382.80 USD


in 3 working days
ON REQUEST


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GB/T 13980-1992 WITHDRAWN

Density meters utilizing ionizing radiation

WITHDRAWN published on 17.12.1992

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574.80 USD


in 4 working days
GB/T 13981-1992 WITHDRAWN

Design general requirements for wind energy conversion system

WITHDRAWN published on 17.12.1992

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526.80 USD


in 4 working days
GB/T 13982-1998 WITHDRAWN

The reflective projection screens

WITHDRAWN published on 9.11.1998

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766.80 USD


in 5 working days
GB/T 13982-2005 WITHDRAWN

The reflective and transmitting projection screens

WITHDRAWN published on 31.5.2005

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718.80 USD


in 4 working days
GB/T 13982-2011 WITHDRAWN

The reflective and transmitting projection screens

WITHDRAWN published on 31.10.2011

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910.80 USD


in 4 working days
GB/T 13984-1992 WITHDRAWN

Micrographics—Visual density specifications for diazo and vesicular films

WITHDRAWN published on 17.12.1992

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238.80 USD


in 2 working days
GB/T 13985-1992 WITHDRAWN

Operating force and strength of camera

WITHDRAWN published on 19.12.1992

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286.80 USD


in 2 working days
GB/T 13986-1992 WITHDRAWN

Photoelectric method for measuring exposure in focal planes of camera

WITHDRAWN published on 19.12.1992

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238.80 USD


in 2 working days

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