Boek
| Titel | Certification mark for filtration plants giving protection against poison gases used in war / Home Office, Air raid precautions department |
|---|---|
| Objectnaam | boek |
| Objectnummer | 00046422 |
Vervaardiging
| Datering | 1939 |
|---|
Onderwerp
| Trefwoorden | luchtverdediging, gasontsmetter, gasbescherming |
|---|