| Manufacturer | Part Number | Description |
|---|---|---|
JJ
| E88CC | R. F. DOUBLE TRIODE |
TELEFUNKEN
| E88CC | Twin Triode |
Siemens Semiconductor Group (now Infineon)
| E88CC | Doppeltriode |
Philips Semiconductors (now NXP Semiconductors)
| E88CC | Special Quality Double Triode |
| AEG | E88CC | High Gain Twin Triode |
|
Philips Semiconductors (now NXP Semiconductors)
| E88CC | S.Q. Tube |
| Unknown Manufacturer | E88CC | Trioda |
