
Ultrasonics - Physiotherapy Systems - Performance Requirements And Methods Of Measurement In The Frequency Range 0.5 Mhz To 5 Mhz [iec 87/62d(secretariat)48/100]
出版:British Standards Institution

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Ultrasonics - Physiotherapy Systems - Performance Requirements And Methods Of Measurement In The Frequency Range 0.5 Mhz To 5 Mhz [iec 87/62d(secretariat)48/100]
出版:British Standards Institution
专家解读视频