NORTH AMERICAN COMBUSTION AND CONTROLS
COMPRESSED AIR-OIL TORCH AND BLOWER CONTROLS, AIR/FUEL RATIO REGULATORS AND CONTROLLERS, PRESSURE REGULATORS, FURNACE PRESSURE CONTROLS, METERING ORIFICES, VALVES FOR MODULATING, HIGH/LOW, AND ON/OFF CONTROL OF FUELS, LIQUID OR GASEOUS OR AIR, ROTARY PORT TYPE VALVES OR BUTTERFLY TYPE VALVES OR THE VALVE PORTION OF AUTOMATIC REGULATORS OR AUTOMATIC CONTROLLERS AND ANNUNCIATORS
Expired · October 15, 1975 · 73065971 ·