7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs; generators of electricity; thermoelectric generators; current generators; alternators
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; anti-theft warning apparatus; acidometers for batteries; anode batteries; electic batteries; batteries for vehicles and lightning; chargers for electric batteries; grids for batteries; high tension batteries; solar batteries; thermoelectric modules for generating electricity
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; hot air ovens; hot air apparatus; fans (air conditioning); thermoelectric modules, especially for heating and cooling; acetylene generators; gas generators; solar collectors (heating); solar furnaces; steam boilers, other than parts of machines; gas generators