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公开(公告)号：US3178750A
公开(公告)日：1965-04-20
申请号：US34071664
申请日：1964-01-28
Applicant: LEVY GOLDBERG MOISE , PENINA SAMELY
Inventor： LEVY GOLDBERG MOISE , PENINA SAMELY
IPC: A47L1/09
CPC classification number: A47L1/09
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