| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| QB/T 1947.1-2012 | English | 189 |
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Days<=3
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General technical requirements of national blowing instrument
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QB/T 1947.1-2012
| Valid |
QB/T 1947.1-2012
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