Sealing combination device for rudder system of semi-submersible ship
Sealed waterproof pressure-resistant pulley and pulley block for maritime work underwater operation
BARRIER SEAL ASSEMBLIES FOR SEALING VEHICLE ELECTRICAL HOUSINGS
Stuffing-box-free type stern shaft tube sealing device
Two-stage vibration reduction high-adaptability balanced suspension system
Sealer device capable of being used for offshore floating transportation of pipe piles
Modular combined under-pressure emergency leaking stoppage tool and method
Double-hydraulic-oil-cylinder pressing type leaking stoppage module and using method thereof
Zipper type brake cylinder corrugated protective sleeve
Improving structure for seal gasket of luggage rack of car
AIRCRAFT DOOR SEALING SYSTEM AND AIRCRAFT DOOR ARRANGEMENT
Ship body and port butt joint device for civil ship port berthing
Amphibious wheel type vehicle steering pull rod sealing device
Unmanned vehicle top cover assembly and unmanned vehicle