Department Administrative Order (DAO) No. 19-16 Series of 2019

Department Administrative Order (DAO) No. 19-16 Series of 2019

The New Technical Regulations Concerning the Mandatory Product Certification of Steel - Black  Hot-Dipped Zinc-Coated (Galvanized) Longitudinally Welded Steel Pipes (For Ordinary Uese)

File Name: DAO 19-16.pdf
File Size: 24.26 MB
File Type: application/pdf