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2219493
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Information
Patent Grant
2219493
References
Source
Patent Number
2,219,493
Date Filed
Not available
Date Issued
Tuesday, October 29, 1940
83 years ago
CPC
B23K5/003 - the welding zone being shielded against the influence of the surrounding atmosphere
Y10T83/748 - With work immobilizer
US Classifications
432 - Heating
083 - Cutting
219 - Electric heating
228 - Metal fusion bonding
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