Home / Standards / GB/T 21956.1-2024 GB/T 21956.1-2024 Active Tractors for agriculture and forestry—Roll-over protective structures on narrow tractors—Part 1: Front-mounted ROPS 农林拖拉机 窄轮距轮式拖拉机翻滚防护装置 第1部分:前置式 Standard Type GBT ICS 65.060.10 CCS T69 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A