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Priority to FR7402004ApriorityCriticalpatent/FR2258699A1/fr
Publication of FR2258699A1publicationCriticalpatent/FR2258699A1/fr
Application grantedgrantedCritical
Publication of FR2258699B3publicationCriticalpatent/FR2258699B3/fr
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
H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor
H01H33/765—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor the gas-evolving material being incorporated in the contact material
FR7402004A1974-01-221974-01-22Arc extinction device for circuit breaker - has extinction gas releasing electrode material over all parts
GrantedFR2258699A1
(en)
