Hermann Beyer

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Hanau, DT

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Patents Grantslast 30 patents

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Process for nitriding iron and steel in salt baths regenerated with...
- Patent number 4,019,928
- Issue date Apr 26, 1977
- Duetsche Gold- und Silber-Scheideanstalt vormals Roessler
- Hermann Beyer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...