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发明名称
ELECTRO-MECHANICAL TRANSDUCER
摘要
申请公布号
CA804759(A)
申请公布日期
1969.01.21
申请号
CAD804759
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
LAWRENCE R. SULAK;HARVEY C. NATHANSON
分类号
主分类号
代理机构
代理人
主权项
地址
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