Home / Standards / GB/T 31815-2015 GB/T 31815-2015 Active Self-cleaning coatings for building exteriors 建筑外表面用自清洁涂料 Standard Type GBT ICS 87.040 CCS G51 Status 现行 Issue Date 2015-07-03 Implementation 2016-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A