ISO 3160-2:1982
Watch cases and accessories; Gold alloy coverings; Part 2 : Determination of fineness, thickness and corrosion resistance

Заменен на ISO 3160-2(1992.12)
 

6 страниц

Завершение срока действия 01.12.1992
Опубликован 01.12.1982

Watch cases and accessories; Gold alloy coverings; Part 2 : Determination of fineness, thickness and corrosion resistance