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Institution, B. S. (1997). Building hardware – Electrically powered hold-open devices for swing doors – Requirements and test methods (incorporating Amendment No.1 and Corrigendum Nos. 1, 2 and 3). London: British Standards Institution.
Abstract: Specifies requirements for separate hold-open devices and also for hold-open mechanisms incorporated in a door closer intended to be used on fire/smoke compartmentation doors
Keywords: Door furniture;doors;read;Windows