Martin H. Hagen

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Apeldoorn, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of sampling a fluid stream and apparatus suitable therefor
- Patent number 4,800,763
- Issue date Jan 31, 1989
- Veg-Gasinstituut N.V.
- Royce R. D. Hakkers
- G01 - MEASURING TESTING