ISO 4422-4:1997
Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply — Specifications — Part 4: Valves and ancillary equipment
Reference number
ISO 4422-4:1997
Edition 1
1997-10
Withdrawn
w
ISO 4422-4:1997
25967
Withdrawn (Edition 1, 1997)

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