| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF | 
		
			| QB/T 2131-2022 | English | 529 | 
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                    5 days [Need to translate]
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                    (Determination and Calculation Method of Thermal Balance and Thermal Efficiency of Daily Ceramic Chain Dryer)
                 | Valid | 
                    QB/T 2131-2022
                 | 
		
			| QB/T 2131-1995 | English | 1039 | 
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                    5 days [Need to translate]
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                    Measuring and Calculation Method for Thermal Balance and Thermal Efficiency of Chained Dryer for Domestic Ceramics
                 | Obsolete | 
                    QB/T 2131-1995
                 |