参考文献:
GRÜNENTHAL GMBH FRANK, Robert BAHRENBERG, Gregor CHRISTOPH, Thomas LESCH, Bernhard LEE, Jeewoo Patent: WO21/57 A1, 21 Location in patent: Page/Page column 2 69
参考文献:
GRÜNENTHAL GMBH FRANK, Robert BAHRENBERG, Gregor CHRISTOPH, Thomas LESCH, Bernhard LEE, Jeewoo Patent: WO21/57 A1, 21 Location in patent: Page/Page column 7
参考文献:
GRÜNENTHAL GMBH FRANK, Robert BAHRENBERG, Gregor CHRISTOPH, Thomas LESCH, Bernhard LEE, Jeewoo Patent: WO21/551 A1, 21 Location in patent: Page/Page column 87