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公开(公告)号：US3226915A
公开(公告)日：1966-01-04
申请号：US21495862
申请日：1962-08-06
Applicant: CHEMETRON CORP
Inventor： PINNEY GEORGE G , HEMPILL HUGH G
CPC classification number: B01D53/22 , B01D63/06 , B01D2313/22 , B01D2313/40 , C01B3/501 , C01B2203/0405
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