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发明名称
Electrical contact
摘要
申请公布号
US2056919(A)
申请公布日期
1936.10.06
申请号
US19330689138
申请日期
1933.09.12
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
CASPER LOWIS
分类号
H01H1/021
主分类号
H01H1/021
代理机构
代理人
主权项
地址
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