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经营范围
发明名称
Perfectionnements au grillage de minerais sulfurés
摘要
申请公布号
FR927608(A)
申请公布日期
1947.11.04
申请号
FRD927608
申请日期
1946.06.03
申请人
发明人
NORDSTROM OTTO
分类号
C22B1/10
主分类号
C22B1/10
代理机构
代理人
主权项
地址
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