with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves

Tables or desks specially adapted for use at individual computer workstations, e.g. for word processing or other manual data entry; Tables or desks specially adapted for typing; Auxiliary devices for attachment to such tables or desks > characterised by adjustable parts, e.g. universally adjustable leaves, arm rests, wrist supports or mouse platforms > the parts being horizontally adjustable, e.g. extensible, only

Tables or desks > with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves