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公开(公告)号：US2157842A
公开(公告)日：1939-05-09
申请号：US10160936
申请日：1936-09-19
Applicant: ALUMINUM CO OF AMERICA
Inventor： ARMITAGE JOHN L , SHARP JOHN E
IPC: B65D41/34
CPC classification number: B65D41/3485
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