[Class : 7] Machines And Machine Tools; Valve For Gas, Air, Oil, Heavy Oil; Automatic Solenoid Valve For Gas, Air, Oil,
Heavy Oil; Normally Closed Manual Reset Solenoid Valve For Gas; Normally Open Manual Reset Solenoid
Valve For Gas; Manual Control Valves To Control The Flow Of Gases (Parts Of Nwchines); Suction Vah^Es For
Gas Compressors; Automatic Valves In Industrial ...