Egyesult Izzolampa es Villamossagi Reszvenytarsasag

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Information Patent Grant
High-pressure discharge tube operable in the open air without outer...
- Patent number 4,221,987
- Issue date Sep 9, 1980
- Egyesult Izzolampa es Villamossagi Reszvenytarsasag
- Bela Kerekes
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure gas discharge light source
- Patent number 4,134,039
- Issue date Jan 9, 1979
- Egyesult Izzolampa es Villamossagi Reszvenytarsasag
- Denes Vida
- H01 - BASIC ELECTRIC ELEMENTS

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