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发明名称
Dual sound-control switch
摘要
申请公布号
US2790040(A)
申请公布日期
1957.04.23
申请号
US19540421407
申请日期
1954.04.06
申请人
MILLER JAMES R
发明人
MILLER JAMES R.
分类号
H01R13/70
主分类号
H01R13/70
代理机构
代理人
主权项
地址
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