Hans-Jurgen Hell

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Wiesbaden-Bierstadt, DE

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Patents Grantslast 30 patents

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Apparatus and brick member for supporting a ceramic tube during fir...
- Patent number 4,770,631
- Issue date Sep 13, 1988
- Didier-Werke AG
- Hans-Jurgen Hell
- F27 - FURNACES KILNS OVENS RETORTS