Driskell, L.
Control valve sizing (student text, instructor's guide slides (set of 58)) [slide] - North Carolina 1982
SAFETY VALVES
VALVES AND VALVE GEAR
621.646 / D7
Control valve sizing (student text, instructor's guide slides (set of 58)) [slide] - North Carolina 1982
SAFETY VALVES
VALVES AND VALVE GEAR
621.646 / D7