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经营范围
发明名称
Perfectionnements apportés aux ensembles du genre de ceux comportant utilisation devoies ou rails aériens ou semblables
摘要
申请公布号
FR997214(A)
申请公布日期
1952.01.03
申请号
FRD997214
申请日期
1945.06.15
申请人
OMNIUM LYONNAIS S. A.
发明人
分类号
E01B25/16
主分类号
E01B25/16
代理机构
代理人
主权项
地址
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