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发明名称
Rotary material reducing machine
摘要
申请公布号
US1920945(A)
申请公布日期
1933.08.01
申请号
US19300470717
申请日期
1930.07.25
申请人
THE JEFFREY MANUFACTURING COMPANY
发明人
FOWLER JOHN T.
分类号
B02C13/28
主分类号
B02C13/28
代理机构
代理人
主权项
地址
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