Liquid ballasting and unballasting systems for a boat
GB8408668D0
Retractable decks and cargo hatch covers
CA1196817A
Pressure differential liquid transfer system
DE2825003A1
Rotary transmission drive unit - has cylinders acting on common crank with extension to cam operated valves
KR830000565A
Crane
KR810001826B1
Hydraulically-actuated bilge valve for vessels
ES462182A1
Improvements introduced in pantoque valves. (Machine-translation by Google Translate, not legally binding)
GB1553347A
Rotary transmission device
ES457590A1
Portal crane for ships deck - has ram operated blocks in guides in side columns for lifting and lowering hatch covers
ES456915A1
Portico crane to move along lanes. (Machine-translation by Google Translate, not legally binding)
US4106641A
Universal gantry crane
ES410726A1
Improvements in the construction structure of rotating equipment with positive displacement. (Machine-translation by Google Translate, not legally binding)
