DIN ISO 501:2021-09 Hard coal - Determination of the crucible swelling number (ISO 501:2012)
标准编号:DIN ISO 501:2021-09
英文标题:Hard coal - Determination of the crucible swelling number (ISO 501:2012)
德文标题:Steinkohle - Bestimmung der Blähzahl (ISO 501:2012)
发布日期:2021-09
标准预览图


