CSN ISO 7194:1994 Measurement of fluid flow in closed conduits.Velocity-area methods of flow measurement in swirling or asymetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
1994CSN ISO 7194:1994 Measurement of fluid flow in closed conduits.Velocity-area methods of flow measurement in swirling or asymetric flow conditions in circular ducts by means of current-meters or Pitot static tubes