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公开(公告)号：US2956381A
公开(公告)日：1960-10-18
申请号：US70089757
申请日：1957-12-05
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： BERNARD CHAUVIN , CEDAR GROVE , EDWIN MILLS JOHN
IPC: B65B23/22
CPC classification number: B65B23/22
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