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发明名称
Improvements relating to electromagnetic relays
摘要
申请公布号
GB517001(A)
申请公布日期
1940.01.17
申请号
GB19380021112
申请日期
1938.07.15
申请人
WESTINGHOUSE BRAKE & SIGNAL COMPANY LIMITED
发明人
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
主权项
地址
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