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发明名称
ELEKTROAKUSTISCHER WANDLER
摘要
申请公布号
DE3926884(A1)
申请公布日期
1991.02.21
申请号
DE19893926884
申请日期
1989.08.16
申请人
GEORG NEUMANN GMBH, 1000 BERLIN, DE
发明人
MUELLER, BERNHARD, DIPL.-ING., 1000 BERLIN, DE
分类号
G01L13/00;H04R1/22;H04R1/32;H04R1/34
主分类号
G01L13/00
代理机构
代理人
主权项
地址
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