标 准 编 号:DIN 54115-4-2006 简体中文标题:无损检验.密封放射性源技术应用射线防护规则.第4部分:γ放射线照相用可移动装置的制造和试验 繁体中文标题:无损检验.密封放射性源技术应用射线防护规则.第4部分:γ放射线照相用可移动装置的制造和试验 English Name:Non-destructive testing - Radiation protection rules for the technical application of sealed radioactive sources - Part 4: Construction and testing of mobile apparatus for gamma-radiography