關於「OV-chipkaart」標籤，搜尋引擎有相關的訊息討論：

OV-Chipkaart | XDA Forumsforum.xda-developers.com › ... › NFC HackingTravelling with the OV-chipkaart | Travel information - NSwww.ns.nl › travel-information › traveling-with-the-ov-chi...tripkey or OV- chipkaart - Rick Steves Travel Forumcommunity.ricksteves.com › travel-forum