Environmental testing - Part 2-20: Tests - Test Ta and Tb: Test methods for solderability and resistance to soldering heat of devices with leads (IEC 60068-2-20:2021); German version EN IEC 60068-2-20:2021
环境试验.第2-20部分:试验.试验Ta和Tb:带引线器件的可焊性和耐焊接热的试验方法(IEC 60068-2-20:2021);德语版本EN IEC 60068-2-20:2021