DIN EN 10253-4 Berichtigung 1:2009-11
Действует
Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements; Corrigendum 1 to English translation of DIN EN 10253-4:2008-06
— 3 стр.
