| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 20686-2024 | English | 1859 |
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Days<=10
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(Unified regulations on graphic symbols and text codes for electrical design in chemical enterprises (with explanations of the provisions))
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HG/T 20686-2024
| Valid |
HG/T 20686-2024
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