Home / Standards / GB/T 13298-2015 GB/T 13298-2015 Active Metallographic examination methods 金属显微组织检验方法 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2018-02-06 Implementation 2016-06-01 Responsible Dept N/A Drafting Unit N/A