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LOUIS BRUNOT
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LOUIS BRUNOT
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Publication of FR401544ApublicationCriticalpatent/FR401544A/fr
E05B45/02—Alarm locks with mechanically-operated bells
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR401544D1908-07-291908-07-29Appareil avertisseur de l'ouverture des portes, persiennes, volets et autres dispositifs de fermeture
ExpiredFR401544A
(fr)
Appareil électro-mécanique pour ouverture et fermeture à petite ou à grande distance des portes, portes cochères, grilles, barrières et des maisons d'habitation