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发明名称
Method of and apparatus for multiple stage grinding
摘要
申请公布号
US1902413(A)
申请公布日期
1933.03.21
申请号
US19310533842
申请日期
1931.04.29
申请人
TRAYLOR ENGINEERING & MANUFACTURING COMPANY
发明人
MILLER ARTHUR F.
分类号
B02C17/00
主分类号
B02C17/00
代理机构
代理人
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