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公开(公告)号：US2038071A
公开(公告)日：1936-04-21
申请号：US64188532
申请日：1932-11-09
Applicant: PATENT FINANCE CORP
Inventor： WILHELM WARNER F
IPC: B01D46/52
CPC classification number: B01D46/527 , B01D46/0038 , B01D53/02 , B01D2253/34 , B01D2275/105 , F24F2203/1036
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