| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 20557.2-1993 | English | 219 |
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(Process System Design Process System Regulations professional relationship with other professionals at various stages of project design)
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HG/T 20557.2-1993
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HG/T 20557.2-1993
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