Gerhard Ast

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Emmerting, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for processing semiconductor material
- Patent number 6,313,013
- Issue date Nov 6, 2001
- Wacker-Chemie GmbH
- Dirk Flottmann
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for making solar cell base material
- Patent number 4,366,024
- Issue date Dec 28, 1982
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen-Grundsto...
- Gerhard Ast
- C30 - CRYSTAL GROWTH