Home / Standards / GB/T 46631-2025 GB/T 46631-2025 Active Agricultural tractors—Hydraulic pressure for implements 农业拖拉机 机具用液压压力 Standard Type GBT ICS 65.060.10 CCS T 62 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A