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发明名称
UN PROCEDIMIENTO PARA TOSTAR UN SULFATO METáLICO
摘要
申请公布号
ES186474(A1)
申请公布日期
1949.04.01
申请号
ES19740001864
申请日期
1948.12.29
申请人
THE AMERICAN METAL COMPANY, LIMITED
发明人
分类号
(IPC1-7):C22
主分类号
(IPC1-7):C22
代理机构
代理人
主权项
地址
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