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经营范围
发明名称
Dipper tooth and front for excavating dippers
摘要
申请公布号
US1992591(A)
申请公布日期
1935.02.26
申请号
US19340710773
申请日期
1934.02.12
申请人
AMERICAN MANGANESE STEEL COMPANY
发明人
WHISLER THOMAS C.
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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