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经营范围
发明名称
Perfectionnements à la fabrication du zinc
摘要
申请公布号
FR922514(A)
申请公布日期
1947.06.11
申请号
FRD922514
申请日期
1946.02.18
申请人
THE NATIONAL SMELTING COMPANY LIMITED
发明人
分类号
C22B19/04
主分类号
C22B19/04
代理机构
代理人
主权项
地址
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