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公开(公告)号:US2440892A
公开(公告)日:1948-05-04
申请号:US51751144
申请日:1944-01-08
Applicant: BUDD CO
Inventor: CALLENDER EDWIN M
IPC: B23K11/26
CPC classification number: B23K11/26
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公开(公告)号:US2426964A
公开(公告)日:1947-09-02
申请号:US54506344
申请日:1944-07-15
Applicant: BUDD CO
Inventor: CALLENDER EDWIN M
IPC: B23K9/10
CPC classification number: B23K9/1012
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