| Class | Class Name |
|---|---|
| 20 | keyboards for hanging keys |
| 20 | keyboards, not of metal, for hanging keys |
| 20 | knobs, not of metal |
| 20 | labels of plastic |
| 20 | laboratory furniture (other than especially made) |
| 20 | ladders [not of metal] |
| 20 | ladders of wood or plastics |
| 20 | lap desks |
| 20 | latches, not of metal |
| 20 | lecterns |
| 20 | legs for furniture |
| 20 | letter boxes, not of metal or masonry |
| 20 | letter racks (furniture) |
| 20 | library shelves |
| 20 | loading gauge rods, not of metal, for railway wagons |
| 20 | loading gauge rods, not of metal, for railway wagons |
| 20 | loading pallets, not of metal |
| 20 | lockers |
| 20 | locks, not of metal, for vehicles |
| 20 | locks, other than electric, not of metal |
| 20 | looking glasses [mirrors] |
| 20 | loudspeaker stands [furniture] |
| 20 | low armless fireside chairs |
| 20 | luggage lockers |
| 20 | magazine holders |
| 20 | magazine racks |
| 20 | magazine stands |
| 20 | mail boxes, not of metal |
| 20 | mannequins |
| 20 | massage divans |
| 20 | massage tables |
| 20 | mats for infant playpens |
| 20 | mats, removable, for sinks |
| 20 | mattress bases |
| 20 | mattresses |
| 20 | mattresses for beds |
| 20 | mattresses for camping |
| 20 | mattresses [other than child birth mattresses] |
| 20 | meat safes |
| 20 | medicine cabinets |
| 20 | meerschaum |
| 20 | mirror tiles |
| 20 | mirrors [looking glasses] |
| 20 | mobile boarding stairs, not of metal, for passengers |
| 20 | mobiles [decoration] |
| 20 | moldings for picture frames |
| 20 | mooring buoys, not of metal |
| 20 | Moses baskets |
| 20 | mother-of-pearl, unworked or semi-worked |
| 20 | mouldings for picture frames |