Nicolaas F. de Rooy

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Bole, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for determining the activity of an ion (pIon) in a liquid
- Patent number 4,691,167
- Issue date Sep 1, 1987
- Sentron v.o.f.
- Hendrik H. v.d. Vlekkert
- G01 - MEASURING TESTING