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Chinese Classification
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| Chinese National Standard List: Standardization and quality management |
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GB/T 39157-2020 Classification and definition of the technology readiness levels for targets
Issued on: 2020-11-19 Price(USD): 120.0 |
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GB/T 39180-2020 Guide for circular economy evaluating—Copper smelting industry
Issued on: 2020-10-11 Price(USD): 165.0 |
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DB37/T 3301-2018
Issued on: 2018-06-12 Price(USD): |
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DB37/T 3156-2018 Implementation Guidelines for the Management and Control System of Risk Classification for Production Safety of Copper Smelting Industry
Issued on: 2018-02-24 Price(USD): |
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DB37/T 3155-2018 Implementation Guidelines for the Management and Control System of Risk Classification for Production Safety of Copper Smelting Industry
Issued on: 2018-02-24 Price(USD): |
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