HELLMA

Scientific, photographic and optical measuring apparatus and instruments, namely, measuring glassware; optical elements or components of measuring or observation equipment for physical and chemical examinations, namely, cuvettes for spectral photometric analyses in the nature of absorbance and fluorescence measurements; laboratory equipment in the nature of glass or quartz glass cuvettes, light conductors in the nature of light or image-conduction fiber optics, individual or inter-connected magnifying lenses and prisms; fiber-optic probes in the nature of quartz glass measuring heads with lightwave conductors, namely, measuring glassware for analyzing liquids and solids; glass and liquid laboratory filters for calibrating optical measuring and observation equipment; laboratory equipment, namely, glass and quartz glass absorption cuvettes