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经营范围
发明名称
Eingangsschaltung für Kondensatormikrophone
摘要
申请公布号
AT303143(B)
申请公布日期
1972.11.10
申请号
AT19700008734
申请日期
1970.09.28
申请人
AKG AKUSTISCHE U. KINO-GERAETE GESELLSCHAFT M.B.H.
发明人
DIPL. ING. BERNHARD WEINGARTNER
分类号
H03F3/183;H04R19/04;(IPC1-7):H04R3/00
主分类号
H03F3/183
代理机构
代理人
主权项
地址
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