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发明名称
DEWAXING FILTER
摘要
申请公布号
CA633616(A)
申请公布日期
1961.12.26
申请号
CAD633616
申请日期
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
JOHN L. TIEDJE
分类号
主分类号
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代理人
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