"Povrchov\u00E9 \u00FApravy a sva\u0159ov\u00E1n\u00ED kov\u016F a dal\u0161\u00EDch materi\u00E1l\u016F" . "2005-06-27+02:00"^^ . . . . . "2008-06-30+02:00"^^ .