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发明名称
ELEKTROAKUSTISCHER WANDLER
摘要
申请公布号
DD144344(A1)
申请公布日期
1980.10.08
申请号
DD19790213601
申请日期
1979.06.14
申请人
FLACH,JOACHIM,DD
发明人
FLACH,JOACHIM,DD
分类号
H04R13/00;(IPC1-7):H04R13/00
主分类号
H04R13/00
代理机构
代理人
主权项
地址
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