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公开(公告)号:US2190922A
公开(公告)日:1940-02-20
申请号:US10448636
申请日:1936-10-07
Applicant: DOW CHEMICAL CO
Inventor: HEATH SHELDON B , MINGER FOREST R
IPC: C01B17/10
CPC classification number: C01B17/10
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公开(公告)号:US2143008A
公开(公告)日:1939-01-10
申请号:US8254436
申请日:1936-05-29
Applicant: DOW CHEMICAL CO
Inventor: HEATH SHELDON B , MINGER FOREST R
CPC classification number: F24F3/1417 , B01D53/26 , F24F2003/144 , F24F2003/1458 , F24F2203/1036
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公开(公告)号:US2033934A
公开(公告)日:1936-03-17
申请号:US74134634
申请日:1934-08-24
Applicant: DOW CHEMICAL CO
Inventor: GREBE JOHN J , MINGER FOREST R
CPC classification number: F24F3/1417 , B01D53/26
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