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发明名称
HERSTELLUNG NICHT-FLACHER MEMBRANEN FÜR ELEKTROAKUSTISCHE WANDLER
摘要
申请公布号
DE50202642(D1)
申请公布日期
2005.05.04
申请号
DE20025002642
申请日期
2002.07.09
申请人
ROEHM GMBH & CO. KG
发明人
GREB, HORST;GEDULDIG, ROLAND;DEITRICH, MICHAEL;JAHN, TORSTEN
分类号
H04R7/12;H04R31/00;(IPC1-7):H04R7/12
主分类号
H04R7/12
代理机构
代理人
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