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经营范围
发明名称
Attrition mill
摘要
申请公布号
US2296402(A)
申请公布日期
1942.09.22
申请号
US19410397293
申请日期
1941.06.09
申请人
JEAN QUENEAU AUGUSTIN LEON
发明人
QUENEAU AUGUSTIN LEON JEAN
分类号
B02C17/04
主分类号
B02C17/04
代理机构
代理人
主权项
地址
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