ISO 23678-4-2022 Ships and marine technology — Service personnel for the maintenance, thorough examination, operational testing, overhaul and repair of lifeboats and rescue boats, launching appliances and release gear — Part 4: Level 2 in-field competence

ISO 23678-3-2022 Ships and marine technology — Service personnel for the maintenance, thorough examination, operational testing, overhaul and repair of lifeboats and rescue boats, launching appliances and release gear — Part 3: Level 1 technical training ISO 23678-2-2022 Ships and marine technology — Service personnel for the maintenance, thorough examination, operational testing, overhaul and repair of lifeboats and rescue boats, launching appliances and release gear — Part 2: Service personnel initial t ISO 23678-1-2022 Ships and marine technology — Service personnel for the maintenance, thorough examination, operational testing, overhaul and repair of lifeboats and rescue boats, launching appliances and release gear — Part 1: General requirements for tr ISO 23692-2021 Microbeam analysis — Electron probe microanalysis — Quantitative analysis of Mn dendritic segregation in continuously cast steel product ISO 23693-1-2021 Determination of the resistance to gas explosions of passive fire protection materials — Part 1: General requirements ISO 23694-2021 Wrought magnesium and magnesium alloys — Extruded rods/bars and tubes