OS METER

Optical machines and apparatus; measuring or testing machines and instruments; telecommunication machines and apparatus; personal digital assistants; electric or magnetic meters and testers; wavemeters

Medical apparatus and instruments; measuring or testing machines and instruments for medical purposes; diagnostic apparatus for medical purposes; clinical thermometers; heart rate recorders; electrocardiographs; devices for measuring blood sugar; sphygmomanometers; massage apparatus; electric massage apparatus for household purposes; pulse oximeters for medical purposes; medical devices for tumor marking