GB/T 12128.2-1999
用于校准表面污染监测仪的参考源 第2部分;能量低于0.15MeV的电子和能量低于1.5MeV的光子
Reference sources for the calibration of surface contamination monitors Part 2: Electrons of energy less than 0.15MeV and photons of energy less than 1.5MeV
GBT12128.2-1999, GB12128.2-1999