1592953507000 1312632483000 term-54888 1616541428220 1312632549000 1616290339455 adlib fitz-online adlib-term-54888 b3b12ee8-ada1-38fd-855f-87552a10675f 2 1 scope note Stairs with landings at which the stair turns 180 degrees. reference term-53892 adlib-term-53892 12ae9b18-aec5-35ba-89ac-ad1ce7888693 halfpace stair V.PJ.AFU.ALO.ARI.BIQ.AXC.AFU.AFU.BUE.ALO 1 code V.PJ.AFU.ALO.ARI.BIQ.AXC.AFU.AFU.BUE.ALO 1 halfpace stairs reference term-53887 adlib-term-53887 57d27cec-4bd9-35c5-bbc2-c234d7610226 <stairs by form: landings> halfpace stairs term