04-09-2023
9
هندسية
اللحام
اختبارات
250 ج.م.
15792-2/2020 ISO Welding Consumables - Test Methods Part 1 : Preparation Of All-Weld Metal Test Pieces And Specimens In Steel , Nickel And Nickel Alloys Welding consumables-Test methods- part 2: Preparation of single –run and two-run technique te
متبناه
غير الزامى
25.160.50