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经营范围
发明名称
Purification of fluorspar
摘要
申请公布号
GB620745(A)
申请公布日期
1949.03.30
申请号
GB19410004501
申请日期
1941.04.04
申请人
ARTHUR GEORGE JONES;IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
分类号
C01F11/22
主分类号
C01F11/22
代理机构
代理人
主权项
地址
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