GB/T 23426-2009
船舶与海上技术 钢质小型风雨密舱口盖
Ships and marine technology - Small weathertight steel hatches
2009-03-23
JT/T 249-2004
内河船舶平式风雨密舱口盖
Flate-type weather-tight hatch covers for inland-waterway vessels
2004-06-03
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 20177-2016
舰船用钢质风雨密电磁屏蔽舱口盖规范
Specifacation for steel weathertight electromagnetic shielding hatch cover of ship
2016-01-19