Home / Standards / GB/T 26658-2011 GB/T 26658-2011 Active Evaluation methods of lost foam castings quality 消失模铸件质量评定方法 Standard Type GBT ICS 03.120.99 CCS J31 Status 现行 Issue Date 2011-06-16 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委