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发明名称
Vacuum relay
摘要
申请公布号
US2563831(A)
申请公布日期
1951.08.14
申请号
US19450627230
申请日期
1945.11.07
申请人
THE MONITOR CONTROLLER COMPANY
发明人
FRESE JOSEPH F.
分类号
H01H51/28
主分类号
H01H51/28
代理机构
代理人
主权项
地址
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