Dietrich Drechsel

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Bruchkobel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the zone pulling of monocrystal rods
- Patent number 4,218,424
- Issue date Aug 19, 1980
- Leybold-Heraeus GmbH & Co. KG
- Joachim Floymayr
- C30 - CRYSTAL GROWTH