DIN EN 62944:2018-04 Audio, video and multimedia systems and equipment - Digital television accessibility - Functional specifications (IEC 62944:2016); English version EN 62944:2017
2018DIN EN 62944:2018-04 Audio, video and multimedia systems and equipment - Digital television accessibility - Functional specifications (IEC 62944:2016); English version EN 62944:2017
2018DIN EN 62944:2018 Audio, video and multimedia systems and equipment - Digital television accessibility - Functional specifications (IEC 62944:2016); English version EN 62944:2017