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公开(公告)号：US2945942A
公开(公告)日：1960-07-19
申请号：US74775758
申请日：1958-07-10
Applicant: SPECIALTIES DEV CORP
Inventor： FLYNN THOMAS J , SYLVESTER WALTER G
IPC: B23K33/00
CPC classification number: B23K33/00
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