Theo Zollner

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Burghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for making silicon rods
- Patent number 4,312,700
- Issue date Jan 26, 1982
- Helictronic Forschungs- und Entwicklungs- Gesellschaft fur Solarzellen-Grunds...
- Dieter Helmreich
- C30 - CRYSTAL GROWTH