MS ISO 7858-1:2003 Measurement of water flow in closed conduits - combination meters for cold potable water - Part 1: Specifications (ISO 7858-1:1998, idt)
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This part of ISO 7858 defines the characteristics specific to combination meters ad=s described in clause 4 for the measurement of flow of cold potable water in closed conduits.
MS ISO 7858-1:2003 Measurement of water flow in closed conduits - combination meters for cold potable water - Part 1: Specifications (ISO 7858-1:1998, idt)