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公开(公告)号：US2726688A
公开(公告)日：1955-12-13
申请号：US41609254
申请日：1954-03-15
Applicant: GEN DYNAMICS CORP
Inventor： FLOOD EDMUND L
IPC: B27B13/12
CPC classification number: B27B13/12 , Y10S29/062 , Y10T83/263
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