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发明名称
Method of making selective switch banks
摘要
申请公布号
US2444026(A)
申请公布日期
1948.06.29
申请号
US19430495990
申请日期
1943.07.24
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BARTELHELM LELAND A.;LANE MAURICE W.;MALLINA RUDOLPH F.
分类号
H01H63/06
主分类号
H01H63/06
代理机构
代理人
主权项
地址
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