| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6662.4-2014 | English | 729 |
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Non-metallic composite pipes for petroleum and natural gas industries. Part 4: Steel skeleton reinforced thermoplastic resin coiled composite pipes and end fittings
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SY/T 6662.4-2014
| Valid |
SY/T 6662.4-2014
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