Tapio Alapuranen

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Kausala, FI

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Patents Grantslast 30 patents

Information Patent Grant
Focussed ventilation procedure for a work spot and apparatus used i...
- Patent number 5,074,198
- Issue date Dec 24, 1991
- Halton Oy
- Erkki Aalto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR