| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 19210-2003 | English | 389 |
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Days<=3
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Cleaning code for air duct system in heating, ventilating and air-conditioning systems
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GB 19210-2003
| Valid |
GB 19210-2003
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