参考文献:
Faeh, Christoph Kuehne, Holger Luebbers, Thomas Mattei, Patrizio Maugeais, Cyrille Pflieger, Philippe Patent: US007/853 A, 007 Location in patent: Page/Page column
参考文献:
Conte-Mayweg, Aurelia Kuehne, Holger Luebbers, Thomas Maugeais, Cyrille Mueller, Werner Pflieger, Philippe Patent: US006/3063 A, 006 Location in patent: Page/Page column 36