Radio Messages
Inventory list
Identifier
|
Title | Level of description | Date | Digital object | |
|---|---|---|---|---|---|
| IPM/IPB/447/4 | Circular, Extraordinary Contribution; | Document | 1935.10 | ||
| IPM/IPB/447/4 | Circular, Radio Communication of the Different Capitals of Europe; | Document | 1935.07.05 |