CB/T 3842-2000
快速启闭水密舱口盖
Quick acting watertight hatch cover
2000-09-20
GB/T 45488-2025
船舶与海上技术 防火水密舱口盖
Ships and marine technology—Fireproof watertight hatch covers
2025-03-28
CB 20059-2012
舰船用钢质轻型耐压水密舱口盖规范
Specification for steel pressure watertight hatch cover of light-weight type of ship
2013-01-04