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发明名称
ELECTRO-ACOUSTIC TRANSDUCER
摘要
申请公布号
GB1506018(A)
申请公布日期
1978.04.05
申请号
GB19750008251
申请日期
1975.02.27
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
分类号
H02K33/06;H04R1/10;H04R13/00;(IPC1-7):H04R13/02
主分类号
H02K33/06
代理机构
代理人
主权项
地址
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