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发明名称
Elektroakustischer Wandler
摘要
申请公布号
DE1537672(A1)
申请公布日期
1969.09.25
申请号
DE19671537672
申请日期
1967.07.31
申请人
SIEMENS AG
发明人
GEESE,ALBERT;MUELLER,ERICH;LEHRER,WOLFGANG;SCHIERL,HANS
分类号
H04R1/06
主分类号
H04R1/06
代理机构
代理人
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地址
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