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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 20558.3-1993 |
Regulations on contents of files on design of technical system Regulations on contents of files on finished products of professional design for technical system |
China Chemical Industry
Standards Regulations contents files |
 English PDF |
| HG/T 20558.1-1993 |
Regulations on contents of files on design of technical system Regulations on contents of files on professional acceptance of technical system |
China Chemical Industry
Standards Regulations contents files |
English PDF |
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