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发明名称
Vertical acid sludge mill
摘要
申请公布号
US2540883(A)
申请公布日期
1951.02.06
申请号
US19450635146
申请日期
1945.12.15
申请人
HOPKINS ROBERT C
发明人
HOPKINS ROBERT C.
分类号
B02C18/10
主分类号
B02C18/10
代理机构
代理人
主权项
地址
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