| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
		
			| YB/T 144-1998 | English | 239 | 
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                    Days<=2
                 | 
                    Measurement method of the error of signal amplitute for ultrasonic flaw detector
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                    YB/T 144-1998
                 | Obsolete | 
                    YB/T 144-1998
                 |