YY/T 0642-2014 Ultrasonics.Field characterization.Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields (English Version)
2022YY/T 0642-2022 Test method for determining the thermal and mechanical indices of ultrasonic fields for medical diagnostic ultrasonic fields
2014YY/T 0642-2014 Ultrasonics.Field characterization.Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields
2008YY/T 0642-2008 Ultrasonics.Field characterization.Test methods for the determination of thermal and mechanical indices related to medical diagnostic ultrasonic fields