Method and apparatus for welding pipes and the like by means of a revolving electric arc
IL45533A0Inactive Publication Date: 1974-11-29AVCO EVERETT RES LABOR
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Patent Information
- Application Number
- IL455
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1974-08-26
- Publication Date
- 1974-11-29
- Estimated Expiration
- Not applicable · inactive patent
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