![]() Google Patents Stopping a plasma arc cutter upon completion of cuttingÄownload PDF Info Publication number US5225658A US5225658A US07/697,871 US69787191A US5225658A US 5225658 A US5225658 A US 5225658A US 69787191 A US69787191 A US 69787191A US 5225658 A US5225658 A US 5225658A Authority US United States Prior art keywords workpiece voltage electrode nozzle arc Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5225658A - Stopping a plasma arc cutter upon completion of cutting ![]() US5225658A - Stopping a plasma arc cutter upon completion of cutting
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