KS A ISO 18927:2016 Imaging materials-Recordable compact disc systems ―Method for estimating the life expectancy based on the effects of temperature and relative humidity
2016KS A ISO 18927:2016 Imaging materials-Recordable compact disc systems ―Method for estimating the life expectancy based on the effects of temperature and relative humidity
2006KS A ISO 18927:2006 Imaging materials-Recordable compact disc systems ―Method for estimating the life expectancy based on the effects of temperature and relative humidity