38 صفحه فایل پی دی اف
API 582:2016-Welding Guidelines for the Chemical, Oil, and Gas Industries
API 582:2016-Welding Guidelines for the Chemical, Oil, and Gas Industries
38 صفحه فایل پی دی اف
API 582:2016-Welding Guidelines for the Chemical, Oil, and Gas Industries
34 صفحه PDF
NORSOK Standard M-601:2016-Welding and inspection of piping