Home / Standards / GB/T 20448.1-2012 GB/T 20448.1-2012 Abolished Self-propelled forestry machinery - Laboratory tests and performance requirements for Roll-over protective structure - Part 1：General machinery 自行式林业机械 滚翻保护结构实验室试验和性能要求 第1部分：通用机械 Standard Type GBT ICS 65.060.80 CCS B96 Status 废止 Issue Date 2012-05-11 Implementation 2012-10-01 Responsible Dept 国家林草局 Drafting Unit N/A