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Standards GB - Chinese national standards - Page 4873
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 50984-2014
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Code for plant layout design of petrochemical enterprises
Standard published on 31.3.2014
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GB 50985-2014
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Code for process design of lead and zinc smelters
Standard published on 15.4.2014
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GB 50986-2014
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Code for design of dry red mud stack
Standard published on 15.4.2014
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GB 50987-2014
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Code for fire protection design of hydraulic engineering
Standard published on 1.1.2014
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GB 50988-2014
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Code for design of environment protection engineering of nonferrous metals industry
Standard published on 15.4.2014
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GB/T 50989-2014
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Technical code for buried twisting plastic pipeline engineering
Standard published on 15.4.2014
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GB/T 5099.1-2017
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Seamless steel gas cylinders—Part 1: Quenched and tempered steel cylinders with tensile strength less than 1100 MPa
Standard published on 29.12.2017
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GB/T 5099.3-2017
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Seamless steel gas cylinders—Part 3: Normalized cylinders
Standard published on 29.12.2017
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GB/T 5099.4-2017
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Seamless steel gas cylinders—Part 4: Seamless stainless steel gas cylinders
Standard published on 29.12.2017
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