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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 20704.5-2000 |
A pump professional design file proofreaders of association 机泵专业设计文件校审细则 |
China Chemical Industry
Standards proofreaders |
 English PDF |
| HG/T 20557.4-1993 |
(Process design professional regulation process system engineering design documents proofreaders Conditions) |
China Chemical Industry
Standards proofreaders |
English PDF |
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