Siegfried Frei

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Gallen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for applying a strip-shaped powder layer onto a weld seam...
- Patent number 4,696,253
- Issue date Sep 29, 1987
- Siegfried Frei
- Siegfried Frei
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method of and arrangement for applying a strip-shaped powder layer...
- Patent number 4,588,605
- Issue date May 13, 1986
- Siegfried Frei
- Siegfried Frei
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...