Home / Standards / GB/T 28957.1-2012 GB/T 28957.1-2012 Abolished Road vehicles - Test dust for filter evaluation - Part 1: Silicon dioxide test dust 道路车辆 用于滤清器评定的试验粉尘 第1部分：氧化硅试验粉尘 Standard Type GBT ICS 43.060.20;43.060.40 CCS T10 Status 废止 Issue Date 2012-12-31 Implementation 2013-07-01 Responsible Dept 工业和信息化部 Drafting Unit N/A