ISO 683-1:1968
Heat-treated steels, alloy steels and free-cutting steels; Part I : Quenched and tempered unalloyed steels

Заменен на ISO 683-1:1987
 

10 страниц

Завершение срока действия 01.04.1987
Опубликован 01.03.1968

Heat-treated steels, alloy steels and free-cutting steels; Part I : Quenched and tempered unalloyed steels