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经营范围
发明名称
Scraper and earth mover
摘要
申请公布号
US2304441(A)
申请公布日期
1942.12.08
申请号
US19390277950
申请日期
1939.06.07
申请人
R. G. LE TOURNEAU, INC.
发明人
BRODERSEN MAX M.;BIRD LEN O.
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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