72457895
May 18, 1973
Oct 8, 1985
DEVICES FOR MEASURING GAS PRESSURE AND VOLUME-NAMELY, INSPIRATORY FORCE METERS, RESPIROMETERS, PRESSURE VALVES; AMBIENT AIR SAMPLERS; GAS SAMPLIN-PRESSURE MONITOR AND CHROMATOGRAPHS
Fancy GoodsDEVICES UTILIZED FOR ATTACHMENT TO OR USE IN CONJUNCTION WITH THE BODY FOR MEASURING EXPIRATORY PRESSURE AND VOLUME AND FOR EXERCISING LUNG FUNCTION NAMELY INSPIRATORY FORCE METERS, EXPIRATORY PRESSURE VALVES, RESPIROMETERS AND PIPE POST-OPERATIVE EXERCISES
Medical, Beauty & Agricultural