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经营范围
发明名称
Improvements in or relating to exothermic compositions and methods of recovering chromium therefrom
摘要
申请公布号
GB774890(A)
申请公布日期
1957.05.15
申请号
GB19550003385
申请日期
1955.02.04
申请人
DIAMOND ALKALI COMPANY
发明人
分类号
C22B34/32
主分类号
C22B34/32
代理机构
代理人
主权项
地址
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