Contactless Coke An employee demonstrates a digital vending machine during an invention event organized by the Korean Intellectual Property Office and the Korea Invention Promotion Association at the 63 Convention Center in Seoul on Monday. 2021.5.31
![An employee demonstrates a digital vending machine during an invention event organized by the Korean Intellectual Property Office and the Korea Invention Promotion Association at the 63 Convention Center in Seoul on Monday. [NEWS1]](https://image.koreajoongangdaily.com/10361991.jpg?imageId=10361991&width=240&height=184&format=webp&format=jpg)