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Verboom & Durouchard Ets
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Verboom & Durouchard Ets
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Application filed by Verboom & Durouchard EtsfiledCriticalVerboom & Durouchard Ets
Application grantedgrantedCritical
Publication of FR813329ApublicationCriticalpatent/FR813329A/fr
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
E06B5/14—Gasproof doors or similar closures; Adaptation of fixed constructions therefor
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Engineering & Computer Science
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Civil Engineering
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Structural Engineering
(AREA)
FR813329D1936-02-051936-02-05Perfectionnements aux portes étanches des abris protecteurs contre les gaz
ExpiredFR813329A
(fr)