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发明名称
Switching mechanism
摘要
申请公布号
US2338181(A)
申请公布日期
1944.01.04
申请号
US19420447835
申请日期
1942.06.20
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HOLDEN WILLIAM H. T.
分类号
H01H67/26
主分类号
H01H67/26
代理机构
代理人
主权项
地址
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