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1.发明授权Method of joining together the ends of thin-walled aluminum heat exchange tubes 失效将薄壁铝热交换管的端部接合在一起的方法
公开(公告)号：US2646620A
公开(公告)日：1953-07-28
申请号：US74118647
申请日：1947-04-14
Applicant: UNITED AIRCRAFT PROD
Inventor： GEDDES WALTER H , KARLSON GUNNAR G , MATTHEW WERENSKY
IPC: B23K3/06
CPC classification number: B23K3/0669 , B23K2201/14 , Y10T29/49393
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