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发明名称
Electro-mechanical transducer
摘要
申请公布号
GB1128318(A)
申请公布日期
1968.09.25
申请号
GB19660043809
申请日期
1966.09.30
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
分类号
H03F3/16;H04R23/00
主分类号
H03F3/16
代理机构
代理人
主权项
地址
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