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发明名称
Power shovel
摘要
申请公布号
US2140460(A)
申请公布日期
1938.12.13
申请号
US19370164454
申请日期
1937.09.18
申请人
BUCYRUS-ERIE COMPANY
发明人
STIEHL CARL E.
分类号
E02F3/30
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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