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经营范围
发明名称
Preparation of alkali metal double fluorides of zirconium and hafnium
摘要
申请公布号
GB725680(A)
申请公布日期
1955.03.09
申请号
GB19530002905
申请日期
1953.02.02
申请人
HORIZONS INCORPORATED
发明人
分类号
C01G25/04
主分类号
C01G25/04
代理机构
代理人
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