DIN EN ISO 15212-1 Berichtigung 1-2009 摆动式密度计.第1部分:实验室仪器(ISO 15212-1-1998).德文版本EN ISO 15212-1-1999.勘误表DIN EN ISO 15212-1-1999-06-德文版本EN15212-1-1999/AC-2009
Oscillation-type density meters - Part 1: Laboratory instruments (ISO 15212-1:1998); German version EN ISO 15212-1:1999, Corrigendum to DIN EN ISO 15212-1:1999-06; German version EN ISO 15212-1:1999/AC:2009