| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 27698.4-2011 | English | 239 |
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Days<=2
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Test method for the performance of heat exchangers and heat exchange element -- Part 4: Spiral heat exchanger
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GB/T 27698.4-2011
| Obsolete |
GB/T 27698.4-2011
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