Home / Standards / GB/Z 31822-2015 GB/Z 31822-2015 Active Study report on the safety requirements of public service escalators and moving walks 公共交通型自动扶梯和自动人行道的安全要求指导文件 Standard Type GBZ ICS 91.140.90 CCS Q78 Status 现行 Issue Date 2015-07-03 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A