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The German engineer Dr. Holger Hesse, and his partner, Danish anaesthetist, Henning Ruben, invented in 1956, the world's first non-electric, self-inflating resuscitator known as the Ambu bag.
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Organic Compounds of Sulphur, Selenium and Tellurium: A Review of Chemical Literature: v. 5 (Specialist Periodical Reports) 0 out of 5 stars based on 0 ratings.