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发明名称
ULTRASONIC BEAM TRANSDUCER
摘要
申请公布号
CA873555(A)
申请公布日期
1971.06.15
申请号
CAD873555
申请日期
申请人
PARKE, DAVIS AND COMPANY
发明人
PAUL H. EGLI
分类号
主分类号
代理机构
代理人
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地址
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