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发明名称
VERFAHREN ZUR BESCHICHTUNG VON MEMBRANEN FUER ELEKTROAKUSTISCHE WANDLER
摘要
申请公布号
DD230742(A3)
申请公布日期
1985.12.11
申请号
DD19840262843
申请日期
1984.05.09
申请人
VEB RFT-FERNMELDEWERK LEIPZIG,DD
发明人
HAGER,ALBERT,DD;SCHELLENBERGER,MICHAEL,DD;STELLMACHER,WERNER,DD;FITZKE,WOLFGANG,DD
分类号
H04R9/08;H04R31/00;(IPC1-7):H04R9/08
主分类号
H04R9/08
代理机构
代理人
主权项
地址
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