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经营范围
发明名称
Recovery of carnotite from its ores
摘要
申请公布号
US2570119(A)
申请公布日期
1951.10.02
申请号
US19490074485
申请日期
1949.02.03
申请人
SAWYER CARL W;HANDLEY MABEL P
发明人
SAWYER CARL W.;HANDLEY MABEL P.
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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