Home / Standards / GB/T 28957.2-2012 GB/T 28957.2-2012 Active Road vehicles - Test dust for filter evaluation - Part 2 : Aluminium oxide test dust 道路车辆 用于滤清器评定的试验粉尘 第2部分：氧化铝试验粉尘 Standard Type GBT ICS 43.060.20;43.060.40 CCS T10 Status 现行 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 工业和信息化部 Drafting Unit N/A