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Priority to CS8972ApriorityCriticalpatent/CS154988B1/cs
Priority to GB62273Aprioritypatent/GB1381252A/en
Priority to FR7300521Aprioritypatent/FR2167824B3/fr
Publication of CS154988B1publicationCriticalpatent/CS154988B1/cs
H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
H01H33/74—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in gas