Standard for the installation of warm air heating and air-conditioning systems - American National Standards Institute; National Fire Protection Association (Estados Unidos) (Quincy, Mass. : National Fire Protection Association, 2008)
Datos tomados de la hoja de presentación--"This edition of NFPA 90B was approved as an American National Standard on July 18, 2008"--"The major change in the 2009 edition was to replace the references to NFPA 255 with ANSI/UL 723 and ASTM E 84, as NFPA 255 is in the process of being Withdrawn"
Keywords: VENTILACION; MEDIDAS DE SEGURIDAD; NORMAS; AIRE ACONDICIONADO; EDIFICIOS