DIN EN ISO 15212-1 Berichtigung 1:2009-07 振蕩式密度計 第1部分:實驗室儀器
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