GB/T 39378-2020.Sockets for spark-plugs- and glow-plugs. GB/T 39378规定了火花塞和电热塞套简的分类.要求.试验方法、检验规则和标志包装...

GB/T 39378-2020.Sockets for spark-plugs-and glow-plugs. 1范围 GB/T 39378规定了火花塞和电热塞套简的分类.要求.试验方法、检验规则和标...