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发明名称
ELEKTRET-RICHTMIKROFON
摘要
申请公布号
DE3211072(A1)
申请公布日期
1982.11.18
申请号
DE19823211072
申请日期
1982.03.25
申请人
HOSIDEN ELECTRONICS CO.,LTD.
发明人
NAKAGAWA,SADAYOSHI;SHINOHARA,MITSUHARU
分类号
H04R1/38;H04R19/00;H04R19/01;H04R19/04;(IPC1-7):H04R19/01;H04R1/34
主分类号
H04R1/38
代理机构
代理人
主权项
地址
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