ISO 683-7:1970
Heat-treated steels, alloy steels and free-cutting steels; Part VII : Wrought quenched and tempered chromium steels

Заменен на ISO 683-1:1987
 

11 страниц

Завершение срока действия 01.04.1987
Опубликован 01.04.1970

Heat-treated steels, alloy steels and free-cutting steels; Part VII : Wrought quenched and tempered chromium steels