DIN 8240-2:1974-12 Wrist watches; sizes and diameters of round movements

标准编号：DIN 8240-2:1974-12

英文标题：Wrist watches; sizes and diameters of round movements

德文标题：Kleinuhren; Größen und Durchmesser runder Werke

发布日期：1974-12

标准预览图