Jurgen Roper

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Roitzsch, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for manufacturing a porous SiO2 preform
- Patent number 6,321,573
- Issue date Nov 27, 2001
- Heraeus Quarzglas GmbH & Co. KG
- Hans-Georg Fritsche
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Method and device for production of a quartz glass blank
- Publication number 20050247080
- Publication date Nov 10, 2005
- Heraeus Tenevo GmbH
- Hans-Georg Fritsche
- C03 - GLASS MINERAL OR SLAG WOOL