Ingrid Liesch

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
High pressure discharge lamp with improved arc tube retention struc...
- Patent number 4,837,477
- Issue date Jun 6, 1989
- Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH
- Joachim Dassler
- H01 - BASIC ELECTRIC ELEMENTS