DIN 8319-2:1978-12 Chronometer; wrist chronometer with piezo-electric oscillating system, designation, requirements, testing

标准编号：DIN 8319-2:1978-12

英文标题：Chronometer; wrist chronometer with piezo-electric oscillating system, designation, requirements, testing

德文标题：Chronometer; Armbandchronometer mit piezoelektrischem Schwingsystem, Begriffe, Anforderungen, Prüfung

发布日期：1978-12

标准预览图