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公开(公告)号：US2798614A
公开(公告)日：1957-07-09
申请号：US39754653
申请日：1953-12-11
Applicant: WIX CORP
Inventor： ALEXANDER LEON G
CPC classification number: B01D39/083 , B01D27/06 , B01D2239/0654
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