Hans-Peter Ehrl

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Aufkirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement and photometer for measuring and controlling the thickn...
- Patent number 4,207,835
- Issue date Jun 17, 1980
- Leybold-Heraeus GmbH & Co. KG
- Horst Schwiecker
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...