Leonhard Schmidhammer

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Kirchheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for the cyclical manufacture of silicon shape...
- Patent number 4,769,107
- Issue date Sep 6, 1988
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen-Grundsto...
- Dieter Helmreich
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process and apparatus for the semicontinuous production of silicon...
- Patent number 4,175,610
- Issue date Nov 27, 1979
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Helmut Zauhar
- C30 - CRYSTAL GROWTH