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发明名称
Machine for driving piling in railroad beds
摘要
申请公布号
US2063383(A)
申请公布日期
1936.12.08
申请号
US19350028845
申请日期
1935.06.28
申请人
MARVYN JONES
发明人
JONES MARVYN
分类号
E02D7/16
主分类号
E02D7/16
代理机构
代理人
主权项
地址
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