Optical cells for photometric measurements of liquids in the ultraviolet, visible and near infrared spectral region; requirements concerning rectangular and cylindrical spectrophotometric cells— 3 стр.
71.040.10 Chemical. Including hydrometers, alcoholometers, etc. / Химические лаборатории. Лабораторное оборудование. Включая гидрометры, спиртометры и т.д.
