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Method and apparatus for determining the configuration of a workpiece
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Method for simultaneous operation of robot welders
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Electronic welding station with ac and reversible polarity dc outputs
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Wire feeder and method of adjusting same
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Arc welding system
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Transistor failure selection circuit and structure for ease of maintenance of a welding station
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Transformer and power supply for pulse-arc welding station
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Distributed station welding system
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Apparatus and method for optimizing a welding operation
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Welding power supply with short circuit protection
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Apparatus for air arc gouging
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Electronic arc welding station with input voltage compensation
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Pulse MIG welder for welding thin-walled copper-nickel pipe
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Method and apparatus for improved arc striking
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Method and apparatus for preventing chain reaction transistor failure in paralleled transistors
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Method and apparatus for extending the brush life of a cooling fan in an electronic welder
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Electronic welding station with AC and reversible polarity DC outputs
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Method and apparatus for improving the regulation of the speed of a motor
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Arc welder with improved arc striking capability
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Apparatus for protecting an integrated circuit from reverse voltages caused by a relay
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