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公开(公告)号：US2369479A
公开(公告)日：1945-02-13
申请号：US47345743
申请日：1943-01-25
Applicant: EVELYN MICHNA
Inventor： MICHNA EDWARD N
IPC: B65G15/60
CPC classification number: B65G15/60 , B65G2201/06
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