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发明名称
Improvements relating to the production of polar absorbents
摘要
申请公布号
GB473647(A)
申请公布日期
1937.10.14
申请号
GB19360010728
申请日期
1936.04.14
申请人
ERIC BERKELEY HIGGINS
发明人
分类号
B01J39/24
主分类号
B01J39/24
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