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发明名称
Improvements relating to electrical relay mechanism
摘要
申请公布号
GB360953(A)
申请公布日期
1931.11.11
申请号
GB19300024004
申请日期
1930.08.11
申请人
THE WESTINGHOUSE BRAKE AND SAXBY SIGNAL COMPANY LIMITED
发明人
分类号
H01H50/86
主分类号
H01H50/86
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代理人
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