Home / Standards / GBT 26297.5-2010 GBT 26297.5-2010 Sampling methods for carbonaceous materials used for aluminium — Part 5: Coal tar pitch 铝用炭素材料取样方法 第5部分:煤沥青 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A