TY - GEN AU - Lionel A Issen C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1971-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10482 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1971 TI - Fire safety study of air ducts and fire dampers effect of hangar spacing, hangar size, and wall thickness::first progress report ER -