GB - Chinese national standards - Page 8568

Standards GB - Chinese national standards - Page 8568

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GB 7317-1987 WITHDRAWN

Test method for hot rupture bonding strength of refractory mortar

WITHDRAWN published on 1.1.1987

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GB 7318-1987 WITHDRAWN

Test method for sieve analysis of refractory mortar

WITHDRAWN published on 1.1.1987

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GB 7319-1987 WITHDRAWN

Test method for coefficient of linear change of refractory mortar

WITHDRAWN published on 1.1.1987

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GB/T 732-1987 WITHDRAWN

Gunnybags—Grading stipulation

WITHDRAWN published on 19.11.1987

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238.80 USD


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GB/T 7320-1987 WITHDRAWN

Test method for thermal expansion of refractory products

WITHDRAWN published on 3.2.1987

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334.80 USD


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GB/T 7320-2008 WITHDRAWN

Refractories—Determination of thermal expansion

WITHDRAWN published on 3.6.2008

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526.80 USD


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GB/T 7320.1-2000 WITHDRAWN

Refractory materials—Determination of thermal expansion—Push rod method

WITHDRAWN published on 17.11.2000

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334.80 USD


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GB/T 7320.2-2000 WITHDRAWN

Refractory materials—Determination of thermal expansion(Telescope method)

WITHDRAWN published on 17.11.2000

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286.80 USD


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GB/T 7321-1987 WITHDRAWN

Rule of preparing sample for tests of dense shaped refractory products

WITHDRAWN published on 27.2.1987

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238.80 USD


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GB/T 7321-2004 WITHDRAWN

Sample preparation for testing of shaped refractory products

WITHDRAWN published on 19.1.2004

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382.80 USD


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