GB/T 3477-2023
船用风雨密单扇钢质门
Marine weathertight single-leaf steel doors
2023-11-27
CB/T 3989-2008
船用非风雨密单扇钢质门
Marine non-weather-tight single-leaf steel door
2008-03-17
CB/T 4437-2016
船用风雨密单扇铝质门
Marine weathertight single-leaf aluminum doors
2016-04-05