DIN EN IEC 62923-1 : 2019 Title: Maritime navigation and radiocommunication equipment and systems - Bridge alert management - Part 1: Operational and performance requirements, methods of testing and required test results (IEC 62923-1:2018); English version EN IEC 62923-1:2018 Year: 2019 Publisher: DIN Media GmbH Availability: Within 1-2 working days