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发明名称
Gear-box for ballast tamper
摘要
申请公布号
US2804185(A)
申请公布日期
1957.08.27
申请号
US19530401658
申请日期
1953.12.31
申请人
MATERIEL INDUSTRIEL S. A.;CONSTRUCTIONS MECANIQUES S. A.
发明人
SIGRIST EDOUARD
分类号
E01B27/16
主分类号
E01B27/16
代理机构
代理人
主权项
地址
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