| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| QC/T 1222.2-2025 | English | 219 |
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Days<=3
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Automobile engines - Inspection method for surface treatment of piston rings - Part 2: PVD coating
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QC/T 1222.2-2025
| Valid |
QC/T 1222.2-2025
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