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发明名称
Electrical relay
摘要
申请公布号
US1747309(A)
申请公布日期
1930.02.18
申请号
US19260112304
申请日期
1926.05.28
申请人
U. S. E. M. COMPANY
发明人
LOVEJOY DIMMITT ROSS
分类号
H01H50/34
主分类号
H01H50/34
代理机构
代理人
主权项
地址
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