DIN EN 60068-2-20-2009 环境试验.第2-20部分:试验.试验T:带导线装置的可焊接性和焊接热抵抗性的试验方法
Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads (IEC 60068-2-20:2008); German version EN 60068-2-20:2008