DIN EN ISO 17226-3:2011 皮革.甲醛含量的化学测定.第3部分:从皮革排放的甲醛的测定(ISO 17226-3-2011);德文版本EN ISO 17226-3-2011
Leather - Chemical determination of formaldehyde content - Part 3: Determination of formaldehyde emissions from leather (ISO 17226-3:2011); German version EN ISO 17226-3:2011