Measuring and regulation equipment, namely, tachymeters, frequency monitoring circuits, speed controlling circuits, deflector monitoring circuits, speed regulators and computers

HYDRAULIC TURBINES AND PARTS THEREFOR, NAMELY, BULBS, DISTRIBUTORS, PRE-DISTRIBUTORS, HOUSINGS, DRAFT TUBES, PIVOTS, BEARINGS, SHAFTS, BALL VALVES, BUTTERFLY VALVES, ELECTRICAL GENERATORS, FORCED-FLOW DUCTS, DISTRIBUTORS AND BAR SCREENS; PUMP-TURBINES; AND CENTRIFUGAL PUMPS

MATERIAL, MACHINERY AND APPARATUS IN THEFIELDS OF HYDRAULICS, HYDROEL ECTRICITY AMD MECHANICS, ESPECIALLY TURBINES; METALLIC MATERIALS FABRI CATED IN BOILERWORKS, AND ACCESSORIES THEREOF