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发明名称
Anordning för omformning av elektrisk energi till akustisk energi och omvänt
摘要
申请公布号
FI27443(A)
申请公布日期
1955.01.10
申请号
FID27443
申请日期
申请人
ELEKTRISKA AB AEG
发明人
KLEIN SIEGFRIED HERRMANN
分类号
H04R23/00;(IPC1-7):H04R23/00
主分类号
H04R23/00
代理机构
代理人
主权项
地址
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