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经营范围
发明名称
Treatment of silica sand
摘要
申请公布号
GB1088635(A)
申请公布日期
1967.10.25
申请号
GB19630028811
申请日期
1963.07.20
申请人
PHILIP ARTHUR CHUBB
发明人
分类号
C01F7/54;C03C1/02
主分类号
C01F7/54
代理机构
代理人
主权项
地址
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