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Expired
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Francis Stephenson
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Individual
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Individual
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Physical Or Chemical Processes And Apparatus
(AREA)
Abstract
21,046. Stephenson, F. Sept. 22. Liquid-seal valves.-Flow of gas is controlled by the height of water in the U-piece shown. Water may be introduced at A and run out at C. An outlet E is provided for sediment.
GB190621046D1906-09-221906-09-22Arrangement of Valves in connection with Gas Producers for Steel Works
ExpiredGB190621046A
(en)