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发明名称
DRIVE CIRCUIT FOR ULTRASONIC WAVE VIBRATOR
摘要
申请公布号
JPH0514997(A)
申请公布日期
1993.01.22
申请号
JP19910159323
申请日期
1991.07.01
申请人
NEC CORP
发明人
IWAZAWA YOSHIKAZU
分类号
H04R3/00;H04R17/10
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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