Home / Standards / GB/T 1722-1992 GB/T 1722-1992 Active Estimation of colour of varnishes，boiledoils and thinners 清漆、清油及稀释剂颜色测定法 Standard Type GBT ICS 87.040 CCS G50 Status 现行 Issue Date 1992-12-10 Implementation 1993-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A