Home / Standards / HG/T 2797.5-1996 HG/T 2797.5-1996 硅铝炭黑杂质的测定 硅铝炭黑杂质的测定 Standard Type HGT ICS 83.040.20 CCS G49 Status N/A Issue Date N/A Implementation N/A Responsible Dept 发布日期：1900-01-01 Drafting Unit N/A