Search Results       Your search for [subject]Ventilation -- Abbreviations returned 1 record.           American standard graphical symbols for heating, ventillating, and air conditioning. Sponsors : American Institute of Electrical Engineers [and] the American Society of Mechanical Engineers, [c1949]. _ Graphical symbol for heating, ventillating, and air conditioning. New York: American Society of Mechanical Engineers, 1949. Subject: Heating -- Abbreviations; Ventilation -- Abbreviations; Air conditioning -- Abbreviations.          Add to Book Cart Relevance: 21.81%