關於「DNV standards」標籤，搜尋引擎有相關的訊息討論：

Rules and standards - DNVwww.dnv.com › rules-standardsStandards & guidelines - DNVwww.dnv.com › energy › standards-guidelinesDNV GL Standards - IHS Markitihsmarkit.com › products › dnv-standardsDNV GL Annual Report 2015 - Issuuissuu.com › dnvgl › docs › dnv_gl_annual_report