US5304256A
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Scarfing method
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US5208448A
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Plasma torch nozzle with improved cooling gas flow
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US5214262A
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Electrode adaptor
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US5160821A
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Mounting apparatus for a cutting torch
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US5216221A
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Plasma arc torch power disabling mechanism
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US5290995A
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Plasma arc cutting system having fluid metering and power control systems
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US5234658A
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Scarfing apparatus
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US5194715A
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Plasma arc torch used in underwater cutting
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US5124525A
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Plasma arc torch having improved nozzle assembly
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US5162632A
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Plasma torch having heat shield for torch body
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US5097111A
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Electrode for plasma arc torch and method of fabricating same
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US5017752A
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Plasma arc torch starting process having separated generated flows of non-oxidizing and oxidizing gas
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US5013885A
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Plasma arc torch having extended nozzle of substantially hourglass
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US5023425A
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Electrode for plasma arc torch and method of fabricating same
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US4954688A
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Plasma arc cutting torch having extended lower nozzle member
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US4742208A
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Welding system with electronic control
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US4767912A
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High frequency arc stabilizer
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US4713521A
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Electronic potentiometer simulator
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