Home / Standards / GB/T 34355-2017 GB/T 34355-2017 Active Steam and hot water boiler chemical cleaning regulation 蒸汽和热水锅炉化学清洗规则 Standard Type GBT ICS 27.060.01 CCS J98 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A