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公开(公告)号：US2446809A
公开(公告)日：1948-08-10
申请号：US59632245
申请日：1945-05-28
Applicant: SOUDURE ELECTR AUTOGENE SA
Inventor： CAMILLO CITO
IPC: B23K9/133
CPC classification number: B23K9/1336
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