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![German technical expert reviews OKM metal detectors](http://lebanon.okmdetectors.com/cdn/shop/articles/metal-detector-field-test-w0-i686.jpg?v=1585316159&width=694)
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· 22 ديسمبر 2017
German technical expert reviews OKM metal detectors
On June 14th, 2006 Dr. Karl-Heinz Walker, an independent, publicly certified and sworn expert of the IHK Karlsruhe (IHK =...