المؤلفون: Tjernlund, Tom

المصدر: Fueloil & Oil Heat with Air Conditioning. Jul/Aug94, Vol. 53 Issue 7, p28. 2p. 1 Black and White Photograph.

مصطلحات موضوعية: HEATING equipment

المؤلفون: Tjernlund, Tom

المصدر: Air Conditioning, Heating & Refrigeration News. 9/26/2011, Vol. 244 Issue 4, p17-17. 1/3p.

مصطلحات موضوعية: AIR ducts, FANS (Machinery), AIR flow, EQUIPMENT & supplies