Underfloor duct distribution systems.
By: Prepared by James R. Smith, staff engineer, Building Research Advisory Board.
Contributors: Smith, James Richard, 1929-
Series: Publication (National Research Council (U.S.)) -- no. 755.
Publisher: National Acacemy of Sciences, National Research Council
Published: 1959
Place of publication: Washington
Language: eng
Number of pages: 23
Subjects: Electric wiring, Interior; Floors