| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6770.4-2012 | English | 649 |
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Quality acceptance code of non-metalic pipes. Part 4: Steel skeleton reinforced plastic coiled composite pipes
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SY/T 6770.4-2012
| Valid |
SY/T 6770.4-2012
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