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经营范围
发明名称
Grillage des solides de minerai de sulfure de zinc
摘要
申请公布号
FR989609(A)
申请公布日期
1951.09.11
申请号
FRD989609
申请日期
1949.06.28
申请人
THE DORR COMPANY
发明人
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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