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发明名称
Wheeled scraper
摘要
申请公布号
US2304076(A)
申请公布日期
1942.12.08
申请号
US19400364980
申请日期
1940.11.09
申请人
BUCYRUS-ERIE COMPANY
发明人
DAVIDSON TREVOR O.;HOAR ROGER SHERMAN
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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