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公开(公告)号：US2093619A
公开(公告)日：1937-09-21
申请号：US4122835
申请日：1935-09-19
Applicant: ELECTROAIRE CORP
Inventor： POWELL RAE R
IPC: C01B13/11
CPC classification number: C01B13/11 , C01B2201/14
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