Home / Standards / GB/T 7144-2016 GB/T 7144-2016 Active Coloured cylinder mark for gases 气瓶颜色标志 Standard Type GBT ICS 23.020.30 CCS J74 Status 现行 Issue Date 2016-02-24 Implementation 2016-09-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委