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发明名称
PUSH-PULL CONTROL SWITCH FOR HEARING AIDS
摘要
申请公布号
EP0305213(A3)
申请公布日期
1990.12.05
申请号
EP19880307971
申请日期
1988.08.26
申请人
WILBRECHT ELECTRONICS INC.
发明人
TRINE, JOHN A.
分类号
H04R25/00;H04R25/02;(IPC1-7):H04R25/02
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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