Search Results       Your search for [subject]Phil. National Standards -- Polyethylene Pipes -- Specification returned 1 record.           DTI NPS ISO 4427:2002-(ISO published 1996 PWWA NM 201:2002-ICS 23.040.20 - polyethylene (PE) pipes for water supply-specifications. Subject: Phil. National Standards -- Polyethylene Pipes -- Specification; Specifications -- Pipes for water supply.          Add to Book Cart Relevance: 48.44%