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发明名称
Multiple selective switch
摘要
申请公布号
US2575052(A)
申请公布日期
1951.11.13
申请号
US19490111151
申请日期
1949.08.19
申请人
FOLTZER HENRY R
发明人
FOLTZER HENRY R.
分类号
G09F9/307;H01H27/00
主分类号
G09F9/307
代理机构
代理人
主权项
地址
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