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经营范围
发明名称
Combined digging lip and dipper tooth
摘要
申请公布号
US1872307(A)
申请公布日期
1932.08.16
申请号
US19300429627
申请日期
1930.02.19
申请人
BUCYRUS-ERIE COMPANY
发明人
LEHMAN WERNER
分类号
E02F9/28
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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