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Josef Matzenauer
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1852. Matzenauer, J. Jan. 23, 1912, [Convention date]. Fire-extinguishing by pulverulent materials.- A powder sprinkler consists of a tube 1 having a curved flared nozzle 2 terminating in a wide slot-like mouth. The tube is adapted to be pulled away from its cover 5 and suspending- ring 6.
GB191301852D1912-01-231913-01-22Improvements in Portable Fire-extinguishers.
ExpiredGB191301852A
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