Chinese Classification
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ICS Classification
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Value-added Services
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International Standard Category: Industrial process measurement and control |
Category No.: | 25.040.40 | Valid Status: | superseded |
Issued Organization: | State Bureau of Petroleum and Chemical Industries | Issued Date: | 1998-6-22 |
Implemented Date: | 1999-1-1 | Abolished Date: | 2018-04-01 |
Superseded Standard.: | HG/T 20637.1-2017 Composition and preparation for engineering documents of instrumentation |
Superseded Date: | 2018-4-1 |
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