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发明名称
Leveling device
摘要
申请公布号
US2101837(A)
申请公布日期
1937.12.14
申请号
US19360079594
申请日期
1936.05.13
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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