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Gustav Bischoff
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Publication of GB190201330ApublicationCriticalpatent/GB190201330A/en
1330. Bischoff, G. Jan. 17. Gas valves.- Valves for cylinders for containing carbonic-acid gas or other fluid under pressure are made with a rim b on the seat or valve disc, engaging with packing in an annular groove a in the valve disc or seat.
GB190201330D1902-01-171902-01-17Improvements in or relating to Valves for Cylinders for Carbonic Acid and other Fluid under Pressure.
ExpiredGB190201330A
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