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Publication of NL3091CpublicationCriticalpatent/NL3091C/xx
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C13/00—Details of vessels or of the filling or discharging of vessels
F17C13/04—Arrangement or mounting of valves
F17C13/045—Automatic change-over switching assembly for bottled gas systems with two (or more) gas containers