72181146
Nov 14, 1963
May 18, 1965
VACUUM-CONTROLLED VALVE REGULATORS, TEMPERATURE-CONTROLLED VALVE REGULATORS, MOTOR-OPERATED VALVE REGULATORS, RELIEF VALVES, FLOAT VALVES, NONRETURN VALVES, CHECK VALVES, PUMP-GOVERNOR VALVES, ALL FOR REGULATING THE PRESSURE AND CONTROL OF FLUIDS, AND PARTS THEREFOR
Firearms