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经营范围
发明名称
Production of metals
摘要
申请公布号
US2398443(A)
申请公布日期
1946.04.16
申请号
US19430494182
申请日期
1943.07.10
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
MUNDAY JOHN C.
分类号
B01J8/42;C22B26/22;C22B35/00
主分类号
B01J8/42
代理机构
代理人
主权项
地址
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