9 Electric and electronic controls and measuring and testing apparatus for machines, for machines parts, for crank shafts and for machine tools, in particular for induction hardening machines; electric and electronic controls and measuring and testing apparatus for special purpose machines for metalworking, for belts for motors and engines, for agricultural implements; electric and electronic controls and measuring and testing apparatus for motors and engines for boats, ships, aircraft and air cushion vehicles; electric and electronic controls and measuring and testing apparatus for motors and engines, for connecting rods for machines, for milling and drilling machines, for mechanical tools and for manually and numerically controlled indexing devices, namely, apparatus being parts of machines for adjusting and setting up workpieces to be processed; electric and electronic controls and measuring and testing apparatus for individual parts and fittings for the aforesaid machines, namely, mechanical tool clamping devices, tool changers, tool magazines being parts of machines, mechanical handling apparatus, work piece magazines being parts of machines, tool spindles, industrial robots, mechanical conveyors, automatic processing and handling machines; physical, chemical, optical, nautical, electro-technical, weighing, signalling, checking, supervision and photographic apparatus, instruments and equipment, namely, photographic exposure meters, photographic filters, photographic cameras, underwater housings for camera, underwater enclosures for cameras, underwater enclosures for photographic lenses, digital video cameras, instruments for surveying physical data, chemical vapor deposition apparatus for use in research, laboratory chemical reactors, optical inspection apparatus for industrial use, electro-optical instruments for use in inspection and measurement of industrial components, electro-technical vibration meters, electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers, transistors, weighing apparatus and instruments, transmitters of electronic signals, receivers of electronic signals, digital signal processors, signal processors, technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; measuring instruments, namely, measuring rulers, tool measuring instruments and distance measuring apparatus