TY - GEN AU - Parker, W C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 1973-11-01 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 1973 TI - Fire Endurance Tests on Walls and Plumbing Chases Containing Either Metallic or Nonmetallic Drain Waste and Vent Systems. Interim Report. ER -