Valvo

E90F8f6

Brand on TubeValvo
Real Tube ManufacturerPhilips


CountryHolland
Etched code on Tube8f6 ⊿4G4
Factory Code⊿ - Philips, Heerlen
Year1964
Tip ShapePinched Tip
Glass ColorClear Glass
GetterD-Getter
Plate LookMesh
Plate ColorShiny Gray

Pinched Tip

Valvo by Philips E90F 8f6

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