GB/T 13877.2-2003
农林拖拉机和自走式机械封闭驾驶室 第2部分;采暖、通风和空调系统试验方法和性能要求
Tractors and self-propelled machines for agriculture and forestry--Operator enclosure environment--Part 2: Heating,ventilation and air-conditioning test method and performance
GBT13877.2-2003, GB13877.2-2003