KR102222853B1
|
|
Speed boat with stepped hull and center keel structure
|
KR20190081131A
|
|
Air bag storage device to prevent ship sinking
|
KR20180075969A
|
|
Air bag for vessel and method for fabricating thereof
|
KR20180074243A
|
|
Apparatus and method for sink privention equipment
|
KR101728395B1
|
|
Watercraft with wing shaped air pressure steps
|
KR101615720B1
|
|
Ship using lift of hydrofoil and wing
|
KR101235248B1
|
|
Apparatus for preventing sinking of the vessel as active response to the moment of impact
|
KR100791547B1
|
|
An apparatus for preventing of ship submergence
|
KR20080097596A
|
|
An apparatus for protecting screw of ships
|
KR100807087B1
|
|
Ship with push type attachable buoyancy assisting device
|
KR100840740B1
|
|
Ship with an angle protection equipment
|
KR20080070443A
|
|
Ship with attachable buoyancy assisting device
|