01996oam 2200589Ka 450 991071293690332120180920061649.2GOVPUB-C13-7e1fa52bcba851953a92c750200f9e5e(CKB)5470000002498825(OCoLC)741502747(OCoLC)995470000002498825(EXLCZ)99547000000249882520110717d1952 ua 0engurun||||a|a||txtrdacontentcrdamediacrrdacarrierFire resistance of shutters for moving-stairway openings /Noland D. Mitchell, Edward D. Bender, and James V. RyanWashington, D.C. :U.S. Dept. of Commerce, National Bureau of Standards :U.S. Govt. Print. Off.,1952.1 online resource (ii, 9 pages) illustrationsBuilding materials and structures report ;129Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Fire preventionFire testingStairsTall buildingsFires and fire preventionFire preventionfastFire testingfastStairsfastTall buildingsFires and fire preventionfastFire prevention.Fire testing.Stairs.Tall buildingsFires and fire prevention.Fire prevention.Fire testing.Stairs.Tall buildingsFires and fire prevention.Mitchell Nolan D1396599Bender Edward D27863Ryan J. V1387973OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQBOOK9910712936903321Fire resistance of shutters for moving-stairway openings3535975UNINA