SERVITEL
ELECTRONIC EQUIPMENT AND APPARATUS ON-BOARD OF ELECTRICAL AND HYDRAULIC ELEVATORS AND ESCALATORS FOR RECORDING, TELETRANSFERRING AND PROCESSING OF ALARM SIGNALS AND STATUS SIGNALS FOR GENERATING TELEDIAGNOSTIC, STATISTICS, OUTPUT AND DISPLAY OF INSTRUCTIONS AND FOR GENERAL MONITORING AND COMMUNICATION
Cancelled · March 13, 1989 · 73786114 ·