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经营范围
发明名称
Melting copper
摘要
申请公布号
US2298055(A)
申请公布日期
1942.10.06
申请号
US19410386986
申请日期
1941.04.05
申请人
INTERNATIONAL SMELTING AND REFINING COMPANY
发明人
HULME PHILIP M.;GHELARDI ROBERT A.
分类号
C22B15/00
主分类号
C22B15/00
代理机构
代理人
主权项
地址
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