钢质小型舱口盖
Small steel hatches

2011-06-15

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

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

钢质埋入式带阻尼启闭小舱口盖

2020-12-21

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