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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 20637.3-1998 |
Preparation of instrumentation engineering specification 仪表设计规定的编制 |
China Chemical Industry
Standards Preparation instrumentation engineering |
 English PDF |
| HG/T 20637.1-1998 |
Composition and preparation for engineering documents of instrumentation 自控专业工程设计文件的组成和编制 |
China Chemical Industry
Standards Preparation instrumentation engineering |
English PDF |
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