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经营范围
发明名称
Machine for clearing ballast from railway sleepers
摘要
申请公布号
GB675412(A)
申请公布日期
1952.07.09
申请号
GB19500010779
申请日期
1950.05.02
申请人
EDMOND POUGET
发明人
分类号
E01B27/04
主分类号
E01B27/04
代理机构
代理人
主权项
地址
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