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经营范围
发明名称
Tube mill or ball mill
摘要
申请公布号
US1975501(A)
申请公布日期
1934.10.02
申请号
US19280320278
申请日期
1928.11.19
申请人
CARMAN CHARLES L
发明人
CARMAN CHARLES L.
分类号
B02C17/04
主分类号
B02C17/04
代理机构
代理人
主权项
地址
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