Patient monitoring and measurement instruments for measurement of pulse rate, rhythm, perfusion, and oxygenation; and circuit boards used in patient monitoring and measurement instruments; patient monitoring and measurement sensors for measurement of pulse rate, rhythm, perfusion, and oxygenation

Water treatment apparatus included in this class

water conditioners; water conditioning systems; water disinfection apparatus; water disinfecting apparatus; apparatus for disinfecting water; water filtration and purification apparatus; water purification units; water purification and filtration apparatus; water purification apparatus; water purification machines; water sterilizers; water purifying machines; disinfectant apparatus; wastewater purification units; water purifying units for producing potable water; disinfecting apparatus and installations; membrane filtration units for water treatment apparatus