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公开(公告)号：US3323288A
公开(公告)日：1967-06-06
申请号：US37048864
申请日：1964-05-27
Applicant: UNION CARBIDE CORP
Inventor： HARRY CHEUNG , WING YOUNG KAI
IPC: B01D53/04
CPC classification number: B01D53/0407 , B01D53/04 , B01D53/047 , B01D2253/102 , B01D2253/108 , B01D2256/18 , B01D2257/504 , Y02C10/08
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