Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking supervision, life-saving and teaching apparatus and instruments, namely, aerosol and particle measurement apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating, controlling and distributing electricity, namely, aerosol and particle measurement apparatus and instruments; apparatus for recording, transmission or reproduction of sound, images and data, in particular particle size analyzers, filter testing apparatus, optical apparatus, apparatus for dry dispersion, apparatus for determining the particle levels of air and gases and aerosols; spectrometers; prerecorded magnetic data carriers featuring aerosol and particle measurement software and data; calculating machines, data processing equipment and computers; recorded software, namely, software saved on media in the field of aerosol and particle measurement; downloadable software namely, software saved on media in the field of aerosol and particle measurement

Scientific and technological services and research and design and development services relating thereto in the field of aerosol and particle measurement; industrial analysis and research services in the field of aerosol and particle measurement; design and development of computer hardware and software; computer programming, updating of computer software, consultancy in the field of computer, scientific and industrial research, development and research services with regard to new products for others, technical research, engineering drawing, all the aforesaid services exclusively in the field of aerosol technology; chemistry and machine construction research, technical and scientific surveying, construction drafting, material testing, technical project planning, standardizing and calibrating, clean-room measurements, particle size analysis and filter testing in the field of aerosol and particle technology