| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| QC/T 21-1992 | English | 399 |
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Days<=3
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Technical specificaitons for bulk-calcium carbide pneumatic delivery tanker
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QC/T 21-1992
| Obsolete |
QC/T 21-1992
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