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公开(公告)号：US2431320A
公开(公告)日：1947-11-25
申请号：US54772344
申请日：1944-08-02
Applicant: STANDARD KNAPP CORP
Inventor： FISCHER PAUL E
CPC classification number: B65B69/00 , B65G47/682 , B65G47/684
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