DIN 49990:1971-02 Electric lighting fittings (luminaires); glass globes with screw threads

标准编号：DIN 49990:1971-02

英文标题：Electric lighting fittings (luminaires); glass globes with screw threads

德文标题：Elektrische Leuchten; Leuchtengläser mit Schraubrand

发布日期：1971-02

标准预览图