DIN EN IEC 61300-2-54:2021-10 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-54: Tests - Corrosive atmosphere (mixed gas) (IEC 61300-2-54:2019); German version EN IEC 61300-2-54:2019
2021DIN EN IEC 61300-2-54:2021 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-54: Tests - Corrosive atmosphere (mixed gas) (IEC 61300-2-54:2019); German version EN IEC 61300-2-54:2019
2019DIN EN IEC 61300-2-54:2019 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-54: Tests - Corrosive atmosphere (mixed gas) (IEC 86B/4148/CDV:2018); German and English version prEN IEC 61300-2-54:2018