| 摘要 |
PURPOSE: A card wallet for preventing the double identification of traffic cards is provided to enable users to put plural traffic cards in one wallet without causing the double identification. CONSTITUTION: A card wallet for preventing the double identification of traffic cards(1-a) includes an electro-magnetic field interference matter on a portion for storing the cards. The electro-magnetic field interference matter is an aluminum foil(1-b). The aluminum foil is installed among the plural traffic cards. |
