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发明名称
ELEKTROAKUSTISCHER WANDLER
摘要
申请公布号
DE2331037(A1)
申请公布日期
1974.01.10
申请号
DE19732331037
申请日期
1973.06.19
申请人
BEER, PALLE-FINN, LIDINGOE (SCHWEDEN)
发明人
BEER, PALLE-FINN, LIDINGOE (SCHWEDEN)
分类号
H04R9/00;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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