| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 28713.1-2012 | English | 239 |
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Days<=2
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Enhanced heat transfer elements used in tube-shell heat exchangers -- Part 1: Threaded tubes
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GB/T 28713.1-2012
| Obsolete |
GB/T 28713.1-2012
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