凹槽平縫鉸鏈bisagra plana de tolvabutt hinges, pocketpocket butt hingesbisagrapocket butt hingebutts, pocketpocket butthinges, pocket butt
skos:scopeNote
Types of butt hinges mounted on the third leaf of three-ply shutters, designed to allow the leaf to enter a recess in the interior jamb of a window without jamming.