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公开(公告)号：US2614934A
公开(公告)日：1952-10-21
申请号：US15548550
申请日：1950-04-12
Applicant: AUDREY TROTMAN CHARITY
Inventor： AUDREY TROTMAN CHARITY
IPC: B65D81/00 , B65D85/808
CPC classification number: B65D85/8085
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