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发明名称
MANGANESE ORE REDUCTION TREATMENT
摘要
申请公布号
CA439324(A)
申请公布日期
1947.01.21
申请号
CAD439324
申请日期
申请人
ELECTRO MANGANESE CORPORATION
发明人
ELMER MILTON WANAMAKER;HAROLD LEWIS CHAMBERLAIN;ROBERT HEWITT CROMWELL
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主分类号
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