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经营范围
发明名称
Traverse de chemin de fer renforcée en bois
摘要
申请公布号
FR1251211(A)
申请公布日期
1961.01.20
申请号
FR19530657556
申请日期
1953.11.04
申请人
SIDERVIA
发明人
分类号
E01B9/16;F16B13/00;F16B13/14
主分类号
E01B9/16
代理机构
代理人
主权项
地址
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