| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 13270-1991 | English | 139 |
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Days<=2
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Aemospheric air. Test dust standand sample. Simulated atmospheric dust
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GB/T 13270-1991
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GB/T 13270-1991
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