
Standard Means For The Reporting Of The Acoustic Output Of Medical Diagnostic Ultrasonic Equipment (Iec 61157:2007 + A1:2013)
出版:Osterreichisches Normungsinstitut

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Standard Means For The Reporting Of The Acoustic Output Of Medical Diagnostic Ultrasonic Equipment (Iec 61157:2007 + A1:2013)
出版:Osterreichisches Normungsinstitut
專家解讀視頻