Wolfgang Ruffing

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Ottweiler, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the continuous building of a hollow cylindrical soot bod...
- Patent number 4,676,814
- Issue date Jun 30, 1987
- Heraeus Quarzschmelze GmbH
- Dieter Ross
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...