| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6638-2005 | English | 359 |
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Days<=3
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Code for design of energy saving in gas transmission pipeline and underground gas storage
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SY/T 6638-2005
| Obsolete |
SY/T 6638-2005
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