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经营范围
发明名称
Elektromagnetisches Relais
摘要
申请公布号
DE503511(C)
申请公布日期
1930.07.25
申请号
DE1927G070610D
申请日期
1927.06.29
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
分类号
H01H50/54
主分类号
H01H50/54
代理机构
代理人
主权项
地址
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