Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen GmbH

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Burghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Low-contamination method for comminuting solid silicon fragments
- Patent number 4,871,117
- Issue date Oct 3, 1989
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen GmbH
- Rolf Baueregger
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for producing packs of blades used for cutting crystal bars...
- Patent number 4,755,340
- Issue date Jul 5, 1988
- Heliotronic Forschungs- und Entwicklungsgesellschaft fur Solarzellen GmbH
- Wolfgang Ermer
- B28 - WORKING CEMENT, CLAY, OR STONE

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