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经营范围
发明名称
Attrition mill
摘要
申请公布号
US2670142(A)
申请公布日期
1954.02.23
申请号
US19500161769
申请日期
1950.05.13
申请人
NORDBERG MANUFACTURING COMPANY
发明人
GRUENDER OSCAR C.
分类号
B02C2/04
主分类号
B02C2/04
代理机构
代理人
主权项
地址
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