Designation: E446 − 20Standard Reference Radiographs forSteel Castings Up to 2 in. (50.8 mm) in Thickness1This st...
Обозначение: E446 – 15Стандартные эталонные рентгенограммы стальных ...
Petro Fajr Markazi Valve Manufacturer Co.Quality Control DepartmentE.HatamiGUIDE TOASTM E446 REFERNCE RADIOGRAPHS FOR...
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