DIN 25427-2 (1977-10) 标准详情
- 标准号:DIN 25427-2 (1977-10)
- 中文标题:
- 英文标题:Design Of Gas-filled Double-bend Ducts In Concrete Shields Against Gamma Radiation - Proportionment Of The Duct And The Embedded Iron Layers For Point Source Radiation And Collimated Radiation
- 标准类别:德国标准DIN
- 发布日期: