| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YBJ 61-1991 | English | RFQ |
ASK
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Days<=3
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Provisions on Process Design Principle of Seamless Steel Pipe Plant
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YBJ 61-1991
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YBJ 61-1991
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