GB/T 2423.20-1981
电工电子产品基本环境试验规程 试验Kd:接触点和连接件的硫化氢试验方法
Electric and electronic products--Basic environmental test regulations for electricians--Test Kd:The hydrogen sulfide method at the point of contact and the connecting element
GBT2423.20-1981, GB2423.20-1981