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经营范围
发明名称
Kondensator-Mikrofon mit federnd gehalterter Kapsel
摘要
申请公布号
DE867405(C)
申请公布日期
1953.02.16
申请号
DE1945K005064D
申请日期
1945.04.04
申请人
KLANGFILM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
NEUMANN HELMUT DR.;HADAMIK WILHELM
分类号
H04R1/08
主分类号
H04R1/08
代理机构
代理人
主权项
地址
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