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| New Marketing and Revenue Models from a Tech Engineer mindset | ||
| Ir. J.L.R. (John) de Graaff MSc. | ||
| Entrepreneurial Engineer & Business Developer | ||
| Tel | +31-6-5317-8007 | |
| john@de-graaff.net |
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| Web | www.thebusinessmodelarchitect.com | |
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