| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 20553-2011 | English | 709 |
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Days<=5
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Selection series of steel pipe size for chemical piping
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HG/T 20553-2011
| Valid |
HG/T 20553-2011
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