Machines for the tube and pipe industry, namely, welding machines for welding metal tubes and pipes; Machines for the tube and pipe industry, namely, welding machines for welding plastic tubes and pipes; Machines for the tube and pipe industry, namely, electric welding machines; Machines for the tube and pipe industry, namely, gas welding machines; Machines for the tube and pipe industry, namely, laser welding machines

Machines for the tube and pipe industry; namely, electric welding machines for the internal welding of tubes and pipe components and other tubular parts