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发明名称
Grinding mill
摘要
申请公布号
US2014640(A)
申请公布日期
1935.09.17
申请号
US19310569913
申请日期
1931.10.20
申请人
THE MINE AND SMELTER SUPPLY COMPANY
发明人
WALES JESS P.
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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