| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HJ 2523-2012 | English | 239 |
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Days<=3
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Technical requirement for environmental protection product. Silencers for ventilation
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HJ 2523-2012
| Valid |
HJ 2523-2012
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