Heraeus Quartzschmelze GmbH

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of semiproduct for the production of ligh...
- Patent number 4,235,615
- Issue date Nov 25, 1980
- Heraeus Quartzschmelze GmbH
- Karlheinz Rau
- C03 - GLASS MINERAL OR SLAG WOOL