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Priority to JP2431483UpriorityCriticalpatent/JPS5915664U/ja
Publication of JPS5915664UpublicationCriticalpatent/JPS5915664U/ja
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Publication of JPS6113493Y2publicationCriticalpatent/JPS6113493Y2/ja
Sistema di emergenza ad accumulatori elettrici, atto a portare preferibilmente ad uno dei due piani vicini la cabina di un ascensore in caso di blackout.