Dnv GL class documents關於「Dnvgl rules for classification」標籤，搜尋引擎有相關的訊息討論：
Rules for classification of ships - July 2021 edition - DNVwww.dnv.com › News › Rules and standardsRules and standards - DNVwww.dnv.com › rules-standards[PDF] U.S. SUPPLEMENT DNV GL RULES FOR CLASSIFICATION OF ...www.dco.uscg.mil › Portals › DNVGL_Supplement_8-1-16[PDF] DNVGL-R