Invention Grant
- Patent Title: Apparatus for electric-arc welding
- Patent Title (中): 电弧焊接设备
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Application No.: US26552218Application Date: 1918-12-06
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Publication No.: US1453025APublication Date: 1923-04-24
- Inventor: STANLEY SMITH REUBEN
- Applicant: SMITH CORP A O
- Assignee: A O Smith Corp
- Current Assignee: A O Smith Corp
- Priority: US26552218 1918-12-06
- Main IPC: B23K9/028
- IPC: B23K9/028
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