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经营范围
发明名称
Improvements in or relating to rail track ballast cleaning machines
摘要
申请公布号
GB756796(A)
申请公布日期
1956.09.12
申请号
GB19540017850
申请日期
1954.06.17
申请人
MATERIEL INDUSTRIEL S.A.;CONSTRUCTIONS MECANIQUES S.A.
发明人
分类号
E01B27/10
主分类号
E01B27/10
代理机构
代理人
主权项
地址
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