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经营范围
发明名称
Froth-flotation concentration of sylvite from sylvinite ores
摘要
申请公布号
US2420476(A)
申请公布日期
1947.05.13
申请号
US19440540128
申请日期
1944.06.13
申请人
MINERALS SEPARATION NORTH AMERICAN CORPORATION
发明人
GREENE ERNEST W.;SHERERTZ JOE R.;COLE ALLEN T.
分类号
B03D1/004
主分类号
B03D1/004
代理机构
代理人
主权项
地址
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