Boek
| Titel | Civilian duty respirators fitted with microphone attachments / Home Office, Air raid precautions department |
|---|---|
| Objectnaam | boek |
| Objectnummer | 00068078 |
Vervaardiging
| Datering | 1939 |
|---|
Onderwerp
| Trefwoorden | ademhalingstoestel, gasbescherming |
|---|
| Titel | Civilian duty respirators fitted with microphone attachments / Home Office, Air raid precautions department |
|---|---|
| Objectnaam | boek |
| Objectnummer | 00068078 |
| Datering | 1939 |
|---|
| Trefwoorden | ademhalingstoestel, gasbescherming |
|---|