Methods for the measurement of fluid flow in pipes : Orifice Plates, Nozzles and Venturi Tubes - London : British Standards Institution, 1964?. - p. 221 - B.S. 1042: Part 1: 1964 . Subjects--Topical Terms: MEDIDOR DE FLUJOTOBERASPLACA ORIFICIOTUBO VENTURI Universal Decimal Class. No.: [083.74]