Google Patents Method and apparatus for a contact start plasma cutting processĭownload PDF Info Publication number US5828030A US5828030A US08/911,905 US91190597A US5828030A US 5828030 A US5828030 A US 5828030A US 91190597 A US91190597 A US 91190597A US 5828030 A US5828030 A US 5828030A Authority US United States Prior art keywords nozzle air torch electrode valve Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5828030A - Method and apparatus for a contact start plasma cutting process US5828030A - Method and apparatus for a contact start plasma cutting process
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