7
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
9
MEASURING AND REGULATION EQUIPMENT, NAMELY, TACHYMETERS, FREQUENCY MONITORING CIRCUITS, SPEED CONTROLLING CIRCUITS, DEFLECTOR MONITORING CIRCUITS, SPEED REGULATORS AND COMPUTERS
37
INSTALLATION AND MAINTENANCE SERVICES FOR HYDRAULIC, HYDROELECTRIC AND NUCLEAR EQUIPMENT
42
TECHNICAL ANALYSES, CONSULTATION AND REPORTING SERVICES RELATING TO; APPARATUS, EQUIPMENT AND INSTALLATIONS RELATING TO THE HYDRAULIC, HYDROELECTRIC AND NUCLEAR FIELDS AND ONE AND TWO PHASE FLUID MECHANICS, NAMELY, FLOWS WITH AND WITHOUT TRANSFER OF HEAT; HYDRAULIC NETWORKS; HEAT TRANSFER, NAMELY, FREE, FORCED AND COMBINED FREE AND FORCED CONVECTION; FLUID ELASTICITY; VIBRATION; STRUCTURAL, STATIC AND DYNAMIC MECHANICS RELATING NAMELY, TO SHOCK, EARTHQUAKE, AND STRUCTURE-FLUID COUPLING; THERMO-ELASTICITY; PLASTICITY; DEFORMATION; FRACTURE MECHANICS; AND GRAPHICAL REPRESENTATIONS, ASSISTANCE, AND ANALYSIS BY MEANS OF COMPUTERS AND SO