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| Part Number | EF22 |
| Description | Pentode |
| Info | . |
| Manufacture | TESLA |
| for PC | Download EF22 Datasheet |
| Part Number | EF22 |
| Description | Pentode |
| Info | . |
| Manufacture | ETC |
| for PC | Download EF22 Datasheet |
| Part Number | EF22 |
| Description | Pentode |
| Info | page 1 2 3 EF22 sheet 1 2 FP date 1953.04.04 195. |
| Manufacture | Philips |
| for PC | Download EF22 Datasheet |