Home / Standards / GB/T 23909.3-2009 GB/T 23909.3-2009 Active Non-destructive testing - Radioscopic testing - Part 3: General principles of radioscopic testing of metallic materials by X- and gamma rays 无损检测 射线透视检测 第3部分：金属材料X和伽玛射线透视检测总则 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