Home / Standards / GB/T 45608-2025 GB/T 45608-2025 Active Gas-filled ionization chamber for X and γ-ray X、γ射线充气电离室 Standard Type GBT ICS 27.120 CCS F88 Status 现行 Issue Date 2025-04-25 Implementation 2025-11-01 Responsible Dept 国家标准委 Drafting Unit N/A