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发明名称
SONAR TRANSDUCER
摘要
申请公布号
CA893888(A)
申请公布日期
1972.02.22
申请号
CAD893888
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
JOHN H. THOMPSON;GEORGE R. DOUGLAS
分类号
主分类号
代理机构
代理人
主权项
地址
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