Invention Grant
- Patent Title: Arc spot welding method and apparatus
- Patent Title (中): 电弧点焊方法及设备
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Application No.: US7298660Application Date: 1960-12-01
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Publication No.: US3062950APublication Date: 1962-11-06
- Inventor: CHYLE JOHN J
- Applicant: SMITH CORP A O
- Assignee: A O Smith Corp
- Current Assignee: A O Smith Corp
- Priority: US7298660 1960-12-01
- Main IPC: B23K9/007
- IPC: B23K9/007
Information query
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