U.S. Army has awarded Jefferson Rubber Works, Worcester, MA, a contract to begin production of nosecup disk valves.
The U.S. Army has awarded Jefferson Rubber Works, Worcester, MA, a contract to begin production of nosecup disk valves used in face mask respirators cuirass respirator see under ventilator. Drinker respirator popularly, “iron lung”: an apparatus formerly in wide use for producing artificial respiration over long periods of time, consisting of a metal tank, enclosing the patient's body, with the head outside, and within which artificial respiration is maintained by alternating negative and positive pressure. .
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