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经营范围
发明名称
Production of calcium fluoride and silica
摘要
申请公布号
GB728095(A)
申请公布日期
1955.04.13
申请号
GB19530001502
申请日期
1953.01.19
申请人
GODFREY L. CABOT INC.
发明人
分类号
C01B33/18
主分类号
C01B33/18
代理机构
代理人
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