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Application filed by Arthur BorelfiledCriticalArthur Borel
Publication of CH42634ApublicationCriticalpatent/CH42634A/en
Improvements to shutters, blinds and flexible roofs, or others, and to closing systems that can be applied to them as well as to other articles or devices
Device intended to protect railway trains against buffering, either during operation or during garage maneuvers, or even to prevent accidents resulting from the untimely opening of level crossings