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发明名称
ELEKTRODYNAMISCHES LAUTSPRECHERSYSTEM MIT KALOTTENFOERMIGER MEMBRAN
摘要
申请公布号
DE3049222(A1)
申请公布日期
1982.07.29
申请号
DE19803049222
申请日期
1980.12.27
申请人
LICENTIA PATENT-VERWALTUNGS GMBH;ELEKTROTECHNIK EHMANN GMBH
发明人
EHMANN,OTTO;THIELE,KARL-HEINZ,DIPL.-PHYS.
分类号
H04R7/12;H04R9/02;H04R9/04;(IPC1-7):H04R9/00
主分类号
H04R7/12
代理机构
代理人
主权项
地址
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