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公开(公告)号：US2632479A
公开(公告)日：1953-03-24
申请号：US8018649
申请日：1949-03-08
Applicant: ALUMINUM CO OF AMERICA
Inventor： PFEIL HENRY J , WELLES CLAUDE A
IPC: B65D59/00
CPC classification number: B65D59/00 , F16L57/005 , Y10S16/02 , Y10T16/05 , Y10T16/39
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