CPA.20.11.1 - Industrial gases
Back to CPA.20.11 - Industrial gases| Name | Code |
|---|---|
| Hydrogen, argon, rare gases, nitrogen and oxygen | CPA.20.11.11 |
| Carbon dioxide and other inorganic oxygen compounds of non-metals | CPA.20.11.12 |
| Liquid air and compressed air | CPA.20.11.13 |