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发明名称
Leveling device
摘要
申请公布号
US2310930(A)
申请公布日期
1943.02.16
申请号
US19390290591
申请日期
1939.08.17
申请人
BUCYRUS-ERIE COMPANY
发明人
BLANCHETT LUTHER E.
分类号
E02F9/02
主分类号
E02F9/02
代理机构
代理人
主权项
地址
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