DIN 44973-1:1981-05 Electric humidifier for household use; characteristics for performance, definitions

标准编号：DIN 44973-1:1981-05

英文标题：Electric humidifier for household use; characteristics for performance, definitions

德文标题：Elektrische Haushalt-Luftbefeuchter; Gebrauchseigenschaften, Begriffe

发布日期：1981-05

标准预览图