Home / Standards / GB/T 5771-2025 GB/T 5771-2025 Active Delivery valve of diesel fuel injection pump—Specifications 柴油机喷油泵出油阀偶件 技术条件 Standard Type GBT ICS 27.020;43.060.40 CCS J 94 Status 现行 Issue Date 2025-10-31 Implementation 2026-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A