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经营范围
发明名称
Excavating tooth
摘要
申请公布号
US2483032(A)
申请公布日期
1949.09.27
申请号
US19450597857
申请日期
1945.06.06
申请人
ELECTRIC STEEL FOUNDRY
发明人
BAER JOSEF
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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