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发明名称
Rolling dirt mover
摘要
申请公布号
US1974717(A)
申请公布日期
1934.09.25
申请号
US19340711953
申请日期
1934.02.19
申请人
LE BLES CHARLES
发明人
BLES CHARLES LE
分类号
E02F3/64
主分类号
E02F3/64
代理机构
代理人
主权项
地址
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