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发明名称
ULTRASONIC CERAMIC TRANSDUCER
摘要
申请公布号
GB1548962(A)
申请公布日期
1979.07.18
申请号
GB19760014403
申请日期
1976.04.08
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
发明人
分类号
H04R17/00;B06B1/06;H04R17/02;(IPC1-7):H04R17/10
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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