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经营范围
发明名称
Dragline excavator
摘要
申请公布号
US2267614(A)
申请公布日期
1941.12.23
申请号
US19390264955
申请日期
1939.03.30
申请人
BUCYRUS-MONIGHAN COMPANY
发明人
MARTINSON OSCAR J.
分类号
E02F3/48
主分类号
E02F3/48
代理机构
代理人
主权项
地址
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