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经营范围
发明名称
Improvements relating to machines for the reduction of materials, such as, ball mills
摘要
申请公布号
GB346375(A)
申请公布日期
1931.04.07
申请号
GB19290030049
申请日期
1929.10.03
申请人
JOSEPH ELLIOTT KENNEDY
发明人
分类号
B02C17/18
主分类号
B02C17/18
代理机构
代理人
主权项
地址
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