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经营范围
发明名称
Procédé et machines pour regarnir de ballast les voies ferrées
摘要
申请公布号
FR977178(A)
申请公布日期
1951.03.28
申请号
FRD977178
申请日期
1948.10.28
申请人
ENTREPRISES INDUSTRIELLES DE LA VARENNE
发明人
分类号
E01B27/02
主分类号
E01B27/02
代理机构
代理人
主权项
地址
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