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公开(公告)号：US2102780A
公开(公告)日：1937-12-21
申请号：US74519734
申请日：1934-09-24
Applicant: SWENSON EVAPORATOR COMPANY
Inventor： BLELFELDT PAUL W
CPC classification number: B01D33/466 , B01D33/09 , B01D37/02
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