74000170
Nov 16, 1989
FACILITY MANAGEMENT SYSTEMS AND CONTROLS COMPRISING ALARM, EMERGENCY POWER SUPPLY, SURVEILLANCE AND DETECTION EQUIPMENT, AND COMPUTER PROGRAMS FOR USE IN MANAGEMENT OF HEATING, VENTILATING AND AIR CONDITIONING EQUIPMENT
Electrical and Scientific ApparatusINSTALLATION, SERVICING AND MAINTENANCE, AND CONSULTING SERVICES RELATING TO THE MAINTENANCE AND OPERATION OF HEATING, VENTILATING, AIR CONDITIONING AND ENERGY CONSERVING EQUIPMENT
Building Construction and Repair