Kjell-Arne Persson

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Sollentuna, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a protective gas and a gas mixture therefor
- Patent number 5,367,137
- Issue date Nov 22, 1994
- AGA Aktiebolag
- Nils Hammarlund
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Method for cleaning of welding torches
- Publication number 20080115809
- Publication date May 22, 2008
- Kjell-Arne Persson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR