| 9 | Access control devices | | M | | | M | |
| 9 | Access control installations (Automatic -) | | M | | | | |
| 9 | Access control installations (Electric -) | | V | | | | |
| 9 | Access control systems (Automatic -) | | M | | | | |
| 9 | Access control systems (Electric -) | | M | | | | |
| 9 | Access control units (Automatic -) | | M | | | | |
| 9 | Access control units (Electric -) | | V | | | | |
| 9 | Access interfaces for managed private circuit networks | | M | | | | |
| 9 | Access security apparatus (Automatic -) | | M | | | | |
| 9 | Access security apparatus (Electric -) | | M | | | | |
| 9 | Accounting apparatus | | V | | | | |
| 9 | Accounting machines | | M | | | | |
| 9 | Accounting software | | M | | | | |
| 9 | Accumulator boxes | | V | V | M | | V |
| 9 | Accumulator jars | | V | V | M | | V |
| 9 | Accumulators | | V | | | | V |
| 9 | Accumulators [batteries] | | V | | M | | M |
| 9 | Accumulators, electric | | M | M | M | | M |
| 9 | Accumulators, electric, for vehicles | | V | V | M | | V |
| 9 | Accumulators for photovoltaic power | | M | | | | |
| 9 | Acid hydrometers | | M | M | M | | M |
| 9 | Acidimeters for batteries | | M | M | M | | M |
| 9 | Acidity analysers | | M | | M | | |
| 9 | Acidity meters | | M | | M | | M |
| 9 | Acoustic alarms | | M | M | M | | M |