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发明名称
Electrically operated grinding mills
摘要
申请公布号
US2952414(A)
申请公布日期
1960.09.13
申请号
US19570679502
申请日期
1957.08.21
申请人
UNION CORPORATION LIMITED
发明人
WILLIAMSON JOHN EARLSTON
分类号
B02C25/00;H02P29/00
主分类号
B02C25/00
代理机构
代理人
主权项
地址
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