DIN 4702-4:1990-03 Boilers for central heating; boilers for wood, straw and similar fuels; terms requirements, testing

标准编号：DIN 4702-4:1990-03

英文标题：Boilers for central heating; boilers for wood, straw and similar fuels; terms requirements, testing

德文标题：Heizkessel; Heizkessel für Holz, Stroh und ähnliche Brennstoffe; Begriffe, Anforderungen, Prüfungen

发布日期：1990-03

标准预览图