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Theodor Herrmann Wilh Weickart
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Individual
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Individual
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Publication of GB190603623ApublicationCriticalpatent/GB190603623A/en
3623. Weickart, T. H. W. Feb. 14. Spring-coil valves. -The gas supply to the nozzle of an atmospheric burner is controlled by more or less compressing, by means of a screw 3, the spirals of a spring 2 arranged in a transverse channel 4 in the body 1.
GB190603623D1906-02-141906-02-14An Improvement in Bunsen Burners.
ExpiredGB190603623A
(en)