Deep narrow groove tungsten inert gas shielded welding process
Delivery of welding flux in a method of submerged arc strip clad
Device for feeding welding wire in a submerged arc welding opera
Device for flooding a weld seam between two pipes to be welded w
Device for hindgas coverage in tube welding
Device for isolating a surface for welding
Double chamber sliding backpurge device for gas shielded arc wel
Dual toroidal electrodes
Dual-gas shielding method