73487721
Jun 29, 1984
Oct 29, 1985
ELECTRICAL AND ELECTRONIC BURGLAR ALARMS, FIRE ALARMS AND INSTRUMENTS FOR DETECTING BREAKAGE OF PIPELINES
Electrical and Scientific ApparatusINSTALLATION, MAINTENANCE AND REPAIR OF ALARM AND SUPERVISION INSTALLATIONS AND APPARATUS
Building Construction and RepairNIGHT WATCHING, SUPERVISION OF BUILDINGS, RENTING OF ALARM APPARATUS AND INSTALLATIONS, PLANNING AND CONSULTING ACTIVITIES CONCERNING ALARM SYSTEMS
Computer and Scientific