Georg Marsen

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Ottobrunn, DE

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure sodium discharge lamp
- Patent number 4,490,642
- Issue date Dec 25, 1984
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Alexander Dobrusskin
- H01 - BASIC ELECTRIC ELEMENTS