52ky 发表于 2022-9-9 08:57:39

银联直联POS终端规范

银联直联POS终端标准,关于做POS相关开发的人有效。

(The UnionPay direct-connected POS terminal standard is valid for those who do POS-related development.)




页: [1]
查看完整版本: 银联直联POS终端规范