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公开(公告)号：US3380107A
公开(公告)日：1968-04-30
申请号：US57578866
申请日：1966-08-29
Applicant: ELECTROLUX CORP
Inventor： RITZAU WILLIAM P , RONALD DANKS
IPC: A47L9/02
CPC classification number: A47L9/02
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