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发明名称
Outillage et son procédé d'utilisation pour la substitution très rapide d'une voie ferrée
摘要
申请公布号
FR781205(A)
申请公布日期
1935.05.11
申请号
FRD781205
申请日期
1934.11.14
申请人
发明人
LEGRAND JULES;ROBERT ROBERT
分类号
E01B29/02
主分类号
E01B29/02
代理机构
代理人
主权项
地址
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