Standards GB - Chinese national standards - Page 224

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 12763.7-2007

The specifications for oceanographic survey - Part 7: Exchange of oceanographic survey data

Standard published on 13.8.2007

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GB/T 12763.8-2007

Specifications for oceanographic survey - Part 8marine geology and geophysics survey

Standard published on 13.8.2007

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GB/T 12763.9-2007

Specifications for oceanographic survey - Part 9: Guidelines for marine ecological survey

Standard published on 13.8.2007

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GB/T 12764-2019

Rolling bearingsNeedle roller bearings with drawn cup and without inner ringBoundary dimensions,geometrical product specificationsGPSand tolerance values

Standard published on 18.10.2019

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GB/T 12765-2023

Spherical plain bearings—Mounting dimensions

Standard published on 23.5.2023

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