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经营范围
发明名称
Mikrophon, vorzugsweise Kondensatormikrophon
摘要
申请公布号
DE814461(C)
申请公布日期
1951.09.24
申请号
DE1948P010754D
申请日期
1948.10.02
申请人
SIEMENS & HALSKE A. G.
发明人
STENUF KARL
分类号
H04R19/04
主分类号
H04R19/04
代理机构
代理人
主权项
地址
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