Home / Standards / GB/T 2292-1997 GB/T 2292-1997 Abolished Coking products--Determination of toluene-insoluble content 焦化产品甲苯不溶物含量的测定 Standard Type GBT ICS 71.080.15 CCS G18 Status 废止 Issue Date 1997-11-11 Implementation 1998-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A