1592953951000 1312632483000 term-79554 1616541571418 1312632577000 1616290560255 adlib fitz-online adlib-term-79554 eb117aab-6df0-3e6b-8cae-9199a65b5685 2 1 scope note Self-supporting portable ladders, nonadjustable in length, consisting of two sections hinged at the top to form equal angles with the base. STEIN reference term-79551 adlib-term-79551 81a8d9df-70fb-3009-9709-1dbbd7050bd1 trestle ladder V.TH.AFU.AXC.HTY.ALO.BZY 1 code V.TH.AFU.AXC.HTY.ALO.BZY 1 trestle ladders reference term-79553 adlib-term-79553 3dde49cc-c115-38e9-98b7-e3094b115214 ladders trestle ladders term