| ICS | Field |
|---|---|
| 35.220.01 | Data storage devices in general |
| 35.220.10 | Paper cards and tapes |
| 35.220.20 | Magnetic storage devices in general |
| 35.220.21 |
Magnetic disks Including flexible disks, diskettes, disk packs, disk cartridges, etc. |
| 35.220.22 | Magnetic tapes |
| 35.220.23 | Cassettes and cartridges for magnetic tapes |
| 35.220.30 |
Optical storage devices Including CD and magneto-optical devices (MO) |
| 35.220.99 | Other data storage devices |