Electricity Meters and Heat Meters and Parts Therefor; Meter Test Apparatuses; Calibration and Gauging Stations for Electricity Meters, Heat Meters and Parts Therefor; Electrical and Electronic Remote-Action and Audio-Frequency Powerline Carrier Control Installations and Parts Therefor, Namely Energy Accounting and Monitoring Units; Electrical Network Protection Units; Measuring Transducers; Electrical Communication Transmission Units; Data Processing Equipment, Namely, Data Recorders, Data Encoders and Data Transducers; Processing Computers and Parts Therefor; Flame Monitors and Ultra-Violet Sensors; Flue-Gas Testers; Oxygen Probes; Tightness Checking Apparatuses for Gas Valves and Parts Therefor; Coin-Operated Vending Machines; Money-Changers; Bank-Note Testing Units; Prepayment Telephone Coin Boxes; Telephone Charge Indicators and Charge Printers and Call Meters and Pulse Counters and Printing Pulse Counters and Parts Therefor; Identification and Authentication Units as Well as Read-Out and Evaluation Equipment Therefor, Namely Document Verifiers, For Use in Identifying and Authenticating Documents Used in Connection With Noncash Telephones and Vending Machines; Programmable Controls and Switching Units for Use in Heating Element Regulators and Building Automation Systems; Electrical Solid-State Units, Namely Semiconductor Apparatuses, Integrated Circuits, Thermoelectrical, Piezo-Electric, and Hall-Effect Elements and Components; Printed Circuit Boards; Permanent Magnets; Components for Electrical Installations, Namely Switches, Relays, Transformers, Distributor Boards, Terminals-- Electro-thermal and Pneumatic Controls For Regulating Elements and Valve Drivers; Thermostatic and Electronic Radiator Regulators; Thermostatic Radiator Control Valves; Housings for Electrical Equipment, Terminal Boxes, Instrument Dials; Computer Data Carriers Made of Plastic Laminates; Time Switches; Program Switches; Programmable Microprocessor Systems Comprising an Operator's Unit, Operator's Interface, Report Printer, and Electronic Terminal Strips Which by Optical, Photographic, Mechanical, Electrical and Electronic Means Supervise, Control and Regulate Lighting, Heating, Ventilating, Steam Generating, Cooking, Cooling, Drying, Air Conditioning, Sanitation, Signaling, Recording and Wiring; Electrical, Electromechanical and Electronic Measuring and Control Apparatus Regulators and Controls Used in Connection With Nonelectrical Parameters, Namely Temperature Regulators, Pressure Regulators, Moisture Regulators, Density Regulators and Height Filling Regulators; Oil and Gas Firing Equipment, Namely Burner Control and Flame Control Apparatus, Control Units For Heating Installations, For Gas Valves, For Air and Ratio Controllers, For Electrical Motors For Valves, For Ignition Spark Detectors, For Start Timers For Burners, For Oil Pre-Heaters, For Valve Actuators, For Boiler Controllers, For Thermostats and For Temperature and Weather Detectors