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发明名称
Montage pour la commande et le contrôle de commandes triphasées, pour la signalisation des chemins de fer
摘要
申请公布号
FR1070227(A)
申请公布日期
1954.07.20
申请号
FRD1070227
申请日期
1953.01.30
申请人
SIEMENS & HALSKE A. G.
发明人
分类号
B61L7/06
主分类号
B61L7/06
代理机构
代理人
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