Medical electrical equipment . characteristics of electro - optical x - ray image intensifiers . part 4 : determination of the image distorsion 医疗用电气设备.电光x射线图象增强仪特性.第4部分:图象失真的测定
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Medical electrical equipment - characteristics of electro - optical x - ray image intensifiers - part 4 : determination of the image distortion 医疗电气设备.电光x射线图象增强器的特性.第4部分:图象失真的测定