Electric and electronic power supplies; apparatus and instruments for conducting, distributing, transforming, accumulating and regulating the control of electrical current; scientific, nautical, surveying, optical, weighing, measuring, signaling, checking in the nature of inspecting, teaching apparatus and instruments, namely, apparatus for electrical power supplies for welding machines in the nature of inverters, power supply connectors and adaptors for use with welding machine power supplie...

Welding apparatus, namely, fully or partly automatic metal arc welding machines and plasma arc welding machines; Machines for lifting and moving pipelines, namely, cranes and power-operated vacuum lifting machines for moving pipes; coating machines for coating of pipes or parts thereof; pneumatic, hydraulic and mechanical machines, and installations with clamps for positioning and aligning pipes for pipeline welding