Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of BE383626ApublicationCriticalpatent/BE383626A/xx
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
H01H33/75—Liquid-break switches, e.g. oil-break
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F21/00—Implements for finishing work on buildings
E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
E04F21/06—Implements for applying plaster, insulating material, or the like