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发明名称
ACOUSTIC SEALING OF JACK PLUG FOR DEAF-AID
摘要
申请公布号
GB2104317(B)
申请公布日期
1985.04.17
申请号
GB19820023557
申请日期
1982.08.16
申请人
* VIENNATONE GMBH
发明人
ADOLF * LANGER
分类号
A61F11/08;H01R13/50;H04R25/02;(IPC1-7):H01R3/00
主分类号
A61F11/08
代理机构
代理人
主权项
地址
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