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.
laboratory scales, electrical, scientific and testing equipment for laboratory use comprising attrition scrubbers for scrubbing, polishing and removing surfaces from solids, classifiers for fine sizing, desliming, grinding, regrinding, washing, dewatering and densifying, samplers, concentration tables for concentrating solids by size or weight, conditioners for conditioning pulps and for conditioning feed materials to filtering apparatus, crushers for crushing mineral, coal and chemical solids, mills for preparing laboratory samples, pulp density scales, sample splitters, samplers, sieves and sieve shakers, solvent extraction units, vanning plaques, vibrating screens, wet and dry feeders, wet and dry screen analyzers, magnetic separators, particle size monitors, refractory measurement units
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
environmental control apparatus comprising belt filters; disc filters; drum filter; pressure filters and vacuum filters; clarifiers; heat exchangers; mobile filtration stations for dewatering
17
Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
plastics and rubber in the form of shaped sections for manufactures, namely, pump insulation, liners and seals