Home / Standards / GB/T 26834-2011 GB/T 26834-2011 Active Non-destructive testing instruments - Measurement of effective focal spot size of mini and micro focus X-ray tubes 无损检测仪器 小焦点及微焦点X射线管有效焦点尺寸测量方法 Standard Type GBT ICS 19.100 CCS N78 Status 现行 Issue Date 2011-07-29 Implementation 2011-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会