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发明名称
IMPRAEGNIERMITTEL ZUR BESCHICHTUNG VON LAUTSPRECHERMEMBRANEN
摘要
申请公布号
DD156758(B1)
申请公布日期
1988.06.15
申请号
DD19810228179
申请日期
1981.03.11
申请人
BOETTGER,HORST,DD;MERKEL,ULRICH,DD;SIEGEL,STEFAN,DD
发明人
BOETTGER,HORST,DD;MERKEL,ULRICH,DD;SIEGEL,STEFAN,DD
分类号
H04R7/00;(IPC1-7):H04R7/00
主分类号
H04R7/00
代理机构
代理人
主权项
地址
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