Franciscus Lambertus Nicolaas Ruijs

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Maren Kessel, NL

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Patents Applicationslast 30 patents

Information Patent Application
Method for using an electromagnetic scratchcard to provide services
- Publication number 20090012810
- Publication date Jan 8, 2009
- Koninklijke KPN N.V.
- Frank Muller
- G06 - COMPUTING CALCULATING COUNTING