DWYER
PRESSURE GAUGES, PRESSURE SWITCHES, COMBINATION PRESSURE SWITCHES AND GAUGES, AIR FILTER GAUGES, KITS FOR AIR FILTER GAUGE SERVICE CONSISTING OF AIR FILTER GAUGE PARTS AND ACCESSORIES, MANOMETERS, OVERPRESSURE SAFETY TRAPS, KITS FOR SERVICING GAS APPLIANCES CONSISTING OF A MANOMETER AND PARTS AND ACCESSORIES THEREFOR, HOOK GAUGES, PITOT TUBES, AIR VELOCITY CALCULATORS, NULL SWITCHES, FLOWMETERS, FLOWMETER DIRECT READING SCALES, FLOWMETER CONVERSION CURVES, METERING VALVES, COMBUSTION TEST SET...
Registered · August 31, 1970 · 72369415 ·