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经营范围
发明名称
Improvements in or relating to fractionating columns
摘要
申请公布号
GB718501(A)
申请公布日期
1954.11.17
申请号
GB19510006138
申请日期
1951.03.14
申请人
THE A.P.V. COMPANY LIMITED
发明人
JOHNSTONE ROBERT EDGEWORTH
分类号
B01D3/18
主分类号
B01D3/18
代理机构
代理人
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