Destructive tests on welds in metallic materials - Method for taking samples for delta ferrite measurement (ISO 17655:2003); German version EN ISO 17655:2003— 8 стр.
25.160.40 Welded. Including welding position and mechanical and non-destructive testing of welded joints / Сварочные швы. Включая положение шва и механические и неразрушающие испытания сварных соединений
