| Class | Class Name |
|---|---|
| 12 | masts for boats |
| 12 | metal bells for bicycles |
| 12 | military drones |
| 12 | military vehicles for transport |
| 12 | mine cars |
| 12 | mine cart wheels |
| 12 | minibuses |
| 12 | mobility scooters |
| 12 | monorail carriages |
| 12 | mopeds |
| 12 | motor buses |
| 12 | motor cars |
| 12 | motor cars for racing |
| 12 | motor coaches |
| 12 | motor driven apparatus for pulling [transporting] |
| 12 | motor driven trucks |
| 12 | motor homes |
| 12 | motor land vehicles |
| 12 | motor racing cars |
| 12 | motor scooters |
| 12 | motor scooters |
| 12 | motorcycle chains |
| 12 | motorcycle engines |
| 12 | motorcycle frames |
| 12 | motorcycle handlebars |
| 12 | motorcycle kickstands |
| 12 | motorcycle saddles |
| 12 | motorcycles |
| 12 | motorised land vehicles for golf use |
| 12 | motorised surfboards |
| 12 | motors, electric, for land vehicles |
| 12 | motors for land vehicles |
| 12 | mountain bikes |
| 12 | mud flaps for vehicles |
| 12 | mudguards |
| 12 | non-skid devices for vehicle tires |
| 12 | non-skid devices for vehicle tyres |
| 12 | oarlocks |
| 12 | oars |
| 12 | ornamental hub caps for vehicles |
| 12 | paddles for canoes |
| 12 | panniers adapted for bicycles |
| 12 | panniers adapted for motorcycles |
| 12 | parachutes |
| 12 | passenger cars |
| 12 | passenger seat height adjusters |
| 12 | patches for tyres |
| 12 | patching materials for inner tubes for tyres |
| 12 | patching materials for tyres |
| 12 | pedal bicycles |
