Cutting torch for iron and steel metallurgy
Method and apparatus for torch working materials
Oxy-cutting machine with mass flow controlled supply to the cutt
Safety arrangement in gas-cutting lances
Scarfing torch
Thermochemical drilling and separating process for Si0.sub.2 con
Torch specially adapted to gasoline-oxygen cutting machine and c
Torch with gas actuated starting rod feed device
Welding and cutting apparatus
Wrapped thermal torch and method