Anna-Maria Frey

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Munich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Metal-halide discharge lamp for photooptical purposes
- Patent number 5,691,601
- Issue date Nov 25, 1997
- Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen mbH
- Anna-Maria Frey
- H01 - BASIC ELECTRIC ELEMENTS