| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 20639.2-2017 | English | 1249 |
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Days<=7
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(Chemical Equipment Controlled Professional Engineering Design Typical Chart Controlled Professional Engineering Design Typical Conditions)
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HG/T 20639.2-2017
| Valid |
HG/T 20639.2-2017
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