Starting from:

$7+

Chinese Industry Standard: CJ/T 331-2010

General technical requirements for city union card of public utility

城市公用事业互联互通卡通用技术要求

中华人民共和国住房和城乡建设部

本标准规定了城市互联互通系统的基本框架、用户卡技术要求、终端技术要求,以及标准中所涉及的相应术语、定义、符号等。
本标准适用于公共交通、风景园林、数字社区、供水、供气、供热等城市公用事业互联互通卡的应用。

This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com

More products