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公开(公告)号：US2964777A
公开(公告)日：1960-12-20
申请号：US64724157
申请日：1957-03-20
Applicant: ELECTROLUX CORP
Inventor： ALLEN OLIVER L , BELICKA MICHAEL E , LOFGREN GUSTAF E
IPC: A47L9/26
CPC classification number: A47L9/26
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