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| 45290 | Accelerator boards used to speed-up computers, designed to be plugged into the processor direct slot | |
| 45290 | Automatic spacing devices for typewriters or accounting machines | |
| 45290 | Auxiliary printing devices for tabulating machines | |
| 45290 | Calculating devices for accounting machines, calculating machines or typewriters | |
| 45290 | Cleaning diskettes for computers | |
| 45290 | Diskettes for cleaning disk (disc) drives in automatic data processing machines (computers) | |
| 45290 | Diskettes for cleaning disk drives in automatic data processing machines | |
| 45290 | Feeding devices for accounting machines and other electronic calculating machines | |
| 45290 | Form-feed devices for accounting machines and other electronic calculating machines | |
| 45290 | Form-feed devices for automatic data processing | |
| 45290 | Form-feed devices for automatic data processing machines and other machines of group 452 | |
| 45290 | Microprocessor, packaged in a single edge contact rectangular cartridge | |
| 45290 | Spacing devices, automatic, for accounting machines and other electronic calculating machines | |
| 45290 | Stands specially designed for automatic data processing machines (computers) | |
| 45290 | Stands specially designed for automatic data processing machines and other machines of group 452 or subclass 46122 | |
| 45290 | Totalling devices for accounting machines and other electronic calculating machines | |