Home / Standards / GB/T 25999-2010 GB/T 25999-2010 Active Ceramic liner with steel sleeve for mud pump 泥浆泵用金属-陶瓷缸套 Standard Type GBT ICS 81.060.30 CCS Q32 Status 现行 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A