Hydraulic mechanisms for coin-operated apparatus; Hydraulic control valves; electric valve actuators; Pneumatic control valves; Fluid pressure flow control valves; Fluid pressure operated flow control valves; Fuel gauges; wind pressure gauges; level gauges with digital readout; Measuring gauges for liquid fuels; Pressure controllers, namely, tire pressure gauges; Pressure gauges; Pressure regulators being pressure gauges; digital torque gauge blocks; Gauging sabres, namely, Depth measuring de...