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发明名称
Flotation concentration of phosphate-bearing material
摘要
申请公布号
US1795100(A)
申请公布日期
1931.03.03
申请号
US19280249197
申请日期
1928.01.24
申请人
MINERALS SEPARATION NORTH AMERICAN CORPORATION
发明人
TROTTER WILLIAM;WILKINSON ELTOFT WRAY
分类号
B03D1/02
主分类号
B03D1/02
代理机构
代理人
主权项
地址
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