| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
		
			| DL/T 748.9-2001 | English | 709 | 
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                    Days<=4
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                    Guide of maintenance of boiler unit for thermal power station. Part 9: The maintenance of fly ash system
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                    DL/T 748.9-2001
                 | Valid | 
                    DL/T 748.9-2001
                 |