Alf I. S. Jonasson

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Hyllinge, SE

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Patents Grantslast 30 patents

Information Patent Grant
Mobile electrostatic air filter for use in welding projects
- Patent number D329081
- Issue date Sep 1, 1992
- AB Ph. Nederman & Co.
- Alf I. S. Jonasson
- D23 - Environmental heating and cooling