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公开(公告)号：US2396936A
公开(公告)日：1946-03-19
申请号：US44173542
申请日：1942-05-04
Applicant: STANDARD KNAPP CORP
Inventor： WYLIE HOWARD W
IPC: B65G47/68
CPC classification number: B65G47/682 , B65G47/684
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