| 34340 | Magnesium tungstate, luminescent | |
| 34250 | Magnesium tungstate, non-luminescent | |
| 34250 | Magnesium zirconate | |
| 41601 | Magnesium, unwrought | |
| 41602 | Magnesium, wrought | |
| 41601 | Magnesium-aluminium alloys (magnesium predominating), unwrought | |
| 41602 | Magnesium-aluminium alloys (magnesium predominating), wrought | |
| 41602 | Magnesium-aluminium-zinc alloys (magnesium predominating), wrought | |
| 41601 | Magnesium-aluminium-zinc alloys, unwrought | |
| 41601 | Magnesium-cerium alloys (magnesium predominating), unwrought | |
| 41602 | Magnesium-cerium alloys (magnesium predominating), wrought | |
| 41601 | Magnesium-manganese alloys (magnesium predominating), unwrought | |
| 41602 | Magnesium-manganese alloys (magnesium predominating), wrought | |
| 41601 | Magnesium-zirconium alloys (magnesium predominating), unwrought | |
| 41602 | Magnesium-zirconium alloys (magnesium predominating), wrought | |
| 45270 | Magnetic card transports for automatic data processing machines (computers) | |
| 45270 | Magnetic core storages for automatic data processing systems (computers) | |
| 45270 | Magnetic disk (disc) drive unit for automatic data processing machines (computers) | |
| 45270 | Magnetic drum storages (data processing) | |
| 45260 | Magnetic ink recognition devices for automatic data processing machines (computers) | |
| 73124 | Magnetic readers, rental or leasing of, without operator | |
| 48120 | Magnetic resonance imaging apparatus | |
| 48120 | Magnetic resonance imaging apparatus (MRI) | |
| 47321 | Magnetic sound-reproducing apparatus for office or private use, not incorporating a sound-recording device | |
| 47321 | Magnetic sound-reproducing apparatus used for making records (preparation of soundtracks, reading of tapes, etc.), not incorporating a sound-recording device | |
| 47321 | Magnetic sound-reproducing apparatus used in recording studios (e.g., for broadcasts), not incorporating a sound-recording device | |
| 45270 | Magnetic tape storage units for automatic data processing machines (computers) | |
| 45270 | Magnetic tape transports for automatic data processing machines (computers) | |
| 83569 | Magnetic testing of machine parts | |
| 83569 | Magnetic testing of structures | |
| 14100 | Magnetite, not agglomerated (excl. that ground for use as pigments) | |
| 46910 | Magnetodynamos | |
| 44218 | Magneto-forming machines for working metal | |
| 48212 | Magnetometers | |
| 83520 | Magnetometric surveying services | |
| 46910 | Magnetos, ignition, for internal combustion engines | |
| 47140 | Magnetrons | |
| 46930 | Magnets, horseshoe | |
| 46930 | Magnets, permanent, whether or not magnetized | |
| 46930 | Magnets, toy | |