Home / Standards / GBT 17455-2008 GBT 17455-2008 Non-destructive testing — Metallographic replication technique for surface testing 无损检测 表面检测的金相复型技术 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A