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发明名称
Dispositif à verrouillage électrique dans les postes d'aiguillage
摘要
申请公布号
FR1085641(A)
申请公布日期
1955.02.04
申请号
FRD1085641
申请日期
1953.10.26
申请人
SIEMENS & HALSKE A. G.
发明人
分类号
B61L7/08
主分类号
B61L7/08
代理机构
代理人
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地址
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