DAO 09-10 Series of 2009 Mandatory PNS for Hot-Dip Metallic-Coated Steel Sheets for Roofing
Mandatory Implementation of Philippine National Standard for hot-dip metallic-coated steel sheets for roofing, PNS 67:2009 Hot-dip metallic-coated steel sheets for roofing - Specification
File Name:
DAO 09_10_2009 PNS 67 2009_steel sheets for roofing.pdf