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发明名称
Improvements in or relating to electrical relay control systems
摘要
申请公布号
GB626434(A)
申请公布日期
1949.07.14
申请号
GB19470023693
申请日期
1947.08.27
申请人
IGRANIC ELECTRIC COMPANY LIMITED
发明人
分类号
H01H47/34;H02H1/00
主分类号
H01H47/34
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代理人
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