GB/T 39546-2020植物保护机械背负式风送喷雾机试验方法和性能限值标准
英文:Equipment for crop protection—Knapsack motorized air-assisted sprayers—Test methods and performance limits GB/T 39546...
英文:Equipment for crop protection—Knapsack motorized air-assisted sprayers—Test methods and performance limits GB/T 39546...