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公开(公告)号：US2699281A
公开(公告)日：1955-01-11
申请号：US33181653
申请日：1953-01-19
Applicant: DUKE JAMES A
Inventor： DUKE JAMES A
CPC classification number: B65B7/2842 , B65B3/323 , B65B7/28
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