UNDERWATER PRESSURE-COMPENSATED BREATHING CONTROL VALVES FOR PROLONGED WATER IMMERSION. AMRL-TR-64-130.
D001945:Breathing Exercises; D004242:Diving; D006801:Humans; D008397:Masks; D011312:Pressure; D012122:Ventilators, Mechanical; D014867:Water
D014867:Water
DIVING; MASKS; RESPIRATORS