Joachim Nowak

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Nidderau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for purifying SiO2-particles
- Patent number 6,746,655
- Issue date Jun 8, 2004
- Heraeus Quarzglas GmbH & Co. KG
- Jörg Becker
- C03 - GLASS MINERAL OR SLAG WOOL