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经营范围
发明名称
Improvements in the separation of hydrogen fluoride from monochlorodifluoromethane
摘要
申请公布号
GB718682(A)
申请公布日期
1954.11.17
申请号
GB19520031664
申请日期
1952.12.15
申请人
E. I. DU PONT DE NEMOURS AND CO.
发明人
分类号
C01B7/19;C07C17/38
主分类号
C01B7/19
代理机构
代理人
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地址
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