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GB - Chinese national standards - Page 7073

Standards GB - Chinese national standards - Page 7073

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 22452-2008 7.10.2008
GB/T 22452-2008 WITHDRAWN

General technical condition of non-linear optical borate crystal devices

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Preview GB/T 22453-2008 7.10.2008
GB/T 22453-2008 WITHDRAWN

Non-linear optical borate crystal devices measuring method

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Preview GB/T 22454-2008 7.10.2008
GB/T 22454-2008 WITHDRAWN

Enterprise integration - Constructs for enterprise modeling

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Preview GB/T 22459.1-2008 30.10.2008
GB/T 22459.1-2008 WITHDRAWN

Refractory mortars—Part 1:Determination of consistency using the penetrating cone method

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Preview GB/T 22459.2-2008 30.10.2008
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Refractory mortars—Part 2:Determination of consistency using the reciprocating flow table method

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Preview GB/T 22459.3-2008 30.10.2008
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Refractory mortars—Part 3:Determination of joint stability

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Preview GB/T 22459.4-2008 30.10.2008
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Refractory mortars—Part 4:Determination of flexural bonding strength

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Preview GB/T 22459.5-2008 30.10.2008
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Refractory mortars—Part 5:Determination of grain size distribution(sieve analysis)

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Preview GB/T 22459.6-2008 30.10.2008
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Refractory mortars—Part 6:Determination of moisture content of ready-mixed mortars

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Preview GB/T 22459.7-2008 30.10.2008
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Refractory mortars—Part 7:Determination of properties at elevated temperatures

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