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经营范围
发明名称
Bucket lip extension
摘要
申请公布号
US1872866(A)
申请公布日期
1932.08.23
申请号
US19320600138
申请日期
1932.03.21
申请人
AMERICAN MANGANESE STEEL COMPANY
发明人
YOUNG DONALD H.
分类号
E02F3/14
主分类号
E02F3/14
代理机构
代理人
主权项
地址
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