ISO 2859-1:1999 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
ISO 4064-1:1993 Measurement of water flow in closed conduits; meters for cold potable water; part 1: specifications
ISO 4064-3:1999 Measurement of water flow in closed conduits - Meters for cold potable water - Part 3: Test methods and equipment
ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation