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公开(公告)号：US3108310A
公开(公告)日：1963-10-29
申请号：US10463561
申请日：1961-04-21
Applicant: ELECTROLUX CORP
Inventor： ALLEN OLIVER L , FERRARIS JOHN T , RITZAU WILLIAM P , VERMAULEN WILLIAM P
CPC classification number: A47L9/04 , A47L9/02 , A47L9/06 , A47L9/0653
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