FR887276A - Système de protection pour machines et appareils électriques clos, notamment pour transformateurs remplis d'huile isolante
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Système de protection pour machines et appareils électriques clos, notamment pour transformateurs remplis d'huile isolante
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Hermes Patentverwertungs GmbH
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Hermes Patentverwertungs GmbH
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H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
H01H33/02—Details
H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
H01H33/55—Oil reservoirs or tanks; Lowering means therefor
H01H33/555—Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
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Physics & Mathematics
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Engineering & Computer Science
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Fluid Mechanics
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Power Engineering
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FR887276D1941-11-051942-10-27Système de protection pour machines et appareils électriques clos, notamment pour transformateurs remplis d'huile isolante
ExpiredFR887276A
(fr)