Каталог стандартов

+7 (495) 223-46-76 +7 (812) 309-78-59
inform@normdocs.ru

DIN 8557-1:1981-04

Отменен
Filler metals for submerged arc welding; Joint welding of unalloyed and alloy steels; Designation, Technical delivery conditions — 5 стр.