NA 058
DIN Standards Committee Lighting Technology
DIN 5031 Beiblatt 1 [Withdrawn] referenced in following documents:
Document number | Edition | Title |
---|---|---|
DIN 22020-5 | 2005-02 | Investigations of the raw material in hard-coal-mining - Microscopical examinations of hard coal, coke and briquettes - Part 5: Reflectance measurements on vitrinites More |