|
US2853131A
|
|
Hatch cover
|
|
US2797083A
|
|
Closure apparatus for a pit or like open spaces
|
|
US2747537A
|
|
Shiphold mounting of elements adapted to work under torsion stress
|
|
US2760459A
|
|
Operating device for steel hatch-covers
|
|
US2736287A
|
|
Ship hold with removable flooring structure
|
|
GB705222A
|
|
Improvements in watertight closing device for doors, hatches or similar elements
|
|
US2729185A
|
|
Watertight closing device for doors, hatches, or similar elements
|
|
GB684455A
|
|
Removable platform for ships' holds and the like
|
|
GB687738A
|
|
Improvements in and relating to the handling of freight aboard ships
|
|
US2654488A
|
|
Handling of freight aboard ships
|
|
US2640454A
|
|
Means for operating hatch-covers aboard ship
|
