Surveying apparatus and surveying instruments, in particular oxygen meters, electronic sensors for detecting oxygen, sensors for measuring oxygen saturation levels and oxygen saturation meters, all for non-medical use
Electrical and Scientific ApparatusSurveying apparatus and surveying instruments for medical use, in particular oxygen meters, electronic sensors for detecting oxygen, sensors for measuring oxygen saturation levels, and oxygen saturation meters; Medical instruments and apparatus for measuring oxygen saturation
Medical Apparatus