KS A ISO 4037-4-2008(2018) 校准剂量计和剂量率计并确定其作为光子能量函数响应的X和γ参考辐射第4部分:低能X参考辐射场中面积和个人剂量计的校准
X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy－Part 4：Calibration of area and personal dosemeters in l