118 صفحه pdf
IEC 62555:2013-Ultrasonics – Power measurement – High intensity therapeutic ultrasound (HITU) transducers and systems
IEC 62555:2013-Ultrasonics – Power measurement – High intensity therapeutic ultrasound (HITU) transducers and systems
118 صفحه pdf
IEC 62555:2013-Ultrasonics – Power measurement – High intensity therapeutic ultrasound (HITU) transducers and systems