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公开(公告)号：US2726623A
公开(公告)日：1955-12-13
申请号：US31477852
申请日：1952-10-15
Applicant: SEABOARD MARITIME CORP
Inventor： JERNSTROM KARL W
IPC: B63B19/19
CPC classification number: B63B19/19 , Y10T292/223
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