Extrait de la collection de lampes / semi-conducteurs de Hans Smit. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Hans Smit.
| OA7 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA31 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA79 |
1956 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA81 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| OA85 |
|
| Common type Europe tube/semi... |
EU |
|
| OA95 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OA172 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| OA202 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| OA210 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| OA211 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| OAZ200 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OAZ202 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OAZ203 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OAZ206 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OAZ207 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OAZ210 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OAZ213 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC3 |
|
| Amroh NV (Radio Bulletin mon... |
NL |
|
| OC13 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| OC16 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC30 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC44 |
1957 |
| Common type Europe tube/semi... |
EU |
|
| OC45 |
|
| Common type Europe tube/semi... |
EU |
|
| OC71 |
|
| Common type Europe tube/semi... |
EU |
|
| OC74 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC77 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC80 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC139 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC140 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| OC141 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
