SAI AS 2360.1.3
SA AS 236013 1993-JAN-01 Measurement of Flud Flow n Closed Conduts Part 1 Pressure Dfferental Methods Part 13 Measurement Usng Orfce Plates Nozzles or Ventur Tubes - Gude to the Use of Methods Specfed n Parts 11 and 12-BS 104214 1992