Home / Standards / GB/T 9109.5-2025 GB/T 9109.5-2025 Active Dynamic measurement of petroleum and liquid petroleum products—Part 5:Calculation of oil quantities 石油和液体石油产品动态计量 第5部分:油量计算 Standard Type GBT ICS 75.180.30 CCS E98 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A