Home / Standards / GB/T 23909.2-2009 GB/T 23909.2-2009 Active Non-destructive testing - Radioscopic testing - Part 2: Check of long term stability of imaging devices 无损检测 射线透视检测 第2部分:成像装置长期稳定性的校验 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2009-05-26 Implementation 2009-12-01 Responsible Dept 国家标准委 Drafting Unit N/A