1592953486000 1312632483000 term-53723 1616541578968 1312632548000 1616290572100 adlib fitz-online adlib-term-53723 ede47189-741c-3012-bac7-0101958e57b3 2 1 scope note Use for door hinges which are completely concealed when the door is either open or closed. Distinguished from "concealed hinges" which are invisible only when the door is closed. reference term-53722 adlib-term-53722 282a4cf4-c9fe-3dcb-a00e-ef0bb171060a invisible hinge V.PJ.AFU.AFU.ERE.AFU.AFU.CRG.AFU.ARI.ARI 1 code V.PJ.AFU.AFU.ERE.AFU.AFU.CRG.AFU.ARI.ARI 1 invisible hinges reference term-53719 adlib-term-53719 1c2d0d50-72ee-364b-9c41-7563ae555131 <hinges by visibility> invisible hinges term