A card game machine using plural cards on front surface sides of which distinctive information for identifying itself from others is displayed and designs of back sides of which have a commonality is provide. The card game comprises a holding unit for holding the plural cards with a same shape in a stacked...http://www.google.com.tw/patents/US20050206076?utm_source=gb-gplus-share專利 US20050206076 - Card game machine
