Home / Standards / GB/T 35186-2025 GB/T 35186-2025 Active Performance evaluation of measuring system for natural gas 天然气计量系统性能评价 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