Eero H. Sirvio

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for nitriding materials at low pressures using a glow discharge
- Patent number 4,460,415
- Issue date Jul 17, 1984
- Kymi Kymmene Oy
- Antti S. Korhonen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...