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公开(公告)号：US2569222A
公开(公告)日：1951-09-25
申请号：US16996450
申请日：1950-06-23
Applicant: ELECTROLUX CORP
Inventor： BEEDE ARNOLD H , BORKOSKI LEON P
CPC classification number: A47L9/1481 , A47L5/362 , A47L9/19 , Y10S55/34
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