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发明名称
Elektroakustischer Wandler
摘要
申请公布号
DE1437432(A1)
申请公布日期
1968.10.10
申请号
DE19641437432
申请日期
1964.08.24
申请人
PEIKER,HEINRICH
发明人
PEIKER,HEINRICH
分类号
H04R7/18;H04R9/02;H04R9/06;H04R13/00
主分类号
H04R7/18
代理机构
代理人
主权项
地址
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