Home / Standards / GB/T 26656-2011 GB/T 26656-2011 Abolished Metallographic test for compacted(vermicular )graphite cast irons 蠕墨铸铁金相检验 Standard Type GBT ICS 77.040.99 CCS J31 Status 废止 Issue Date 2011-06-16 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委