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发明名称
Electric relay
摘要
申请公布号
US2575812(A)
申请公布日期
1951.11.20
申请号
US19490111209
申请日期
1949.08.19
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
HUFNAGEL ANDREW
分类号
H01H50/40
主分类号
H01H50/40
代理机构
代理人
主权项
地址
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