Home / Standards / GB/T 28693-2012 GB/T 28693-2012 Active Tractors and machinery for agricultural and forestry - Requirements of the lighting and light-signalling devices 农林拖拉机和机械 照明和光信号装置的要求 Standard Type GBT ICS 65.060.10 CCS T68 Status 现行 Issue Date 2012-09-03 Implementation 2013-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会