| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| QB/T 1320-1991 | English | 159 |
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Days<=2
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Glass Fiber High-efficient Air Filter Paper
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QB/T 1320-1991
| Obsolete |
QB/T 1320-1991
|