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经营范围
发明名称
Scraper vehicle
摘要
申请公布号
US2396287(A)
申请公布日期
1946.03.12
申请号
US19430488759
申请日期
1943.05.27
申请人
ROBB FRANK B
发明人
ROBB FRANK B.
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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