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经营范围
发明名称
Carrying scraper
摘要
申请公布号
US2127223(A)
申请公布日期
1938.08.16
申请号
US19370179481
申请日期
1937.12.13
申请人
R. G. LE TOURNEAU, INC.
发明人
TOURNEAU ROBERT GILMORE 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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