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公开(公告)号：US2377033A
公开(公告)日：1945-05-29
申请号：US48921043
申请日：1943-05-31
Applicant: PERTILE ALBENO D , BARNETT HENRY J
Inventor： PERTILE ALBENO D , BARNETT HENRY J
IPC: B63B3/14
CPC classification number: B63B3/14 , B23K31/02 , B23K37/0443 , B23K2201/006 , B23K2201/185
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