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公开(公告)号：US3295197A
公开(公告)日：1967-01-03
申请号：US36758864
申请日：1964-05-14
Applicant: REVERE COPPER & BRASS INC
Inventor： BUNN EDWARD S , MACKEY CHARLES R , GIOVANNUCCI JULIUS L
IPC: B23K20/227
CPC classification number: B23K20/2275
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