Dnv GL class documents關於「Det Norske Veritas Classification a s」標籤，搜尋引擎有相關的訊息討論：
Ship classification - DNVwww.dnv.com › MaritimeOur history - DNVwww.dnv.com › about › in-brief › our-historyDNV - Wikipediaen.wikipedia.org › wiki › DNVDNV GL Dropping the 'GL' Amid Corporate Rebranding - gCaptaingcaptain.com › dnv-gl-dropping-the-gl-amid-corporate-re...DNV GL