In reference to the patent: WO2003028746A1
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As far as I can tell it hasn't been filed in any English language countries. You can get a pdf at The Lens, but it is in German. lens.org/images/patent/WO/2003028746/A1/WO_2003_028746_A1.pdf– Eric S ♦May 13, 2018 at 23:38
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