47.020.10 Hulls and their structure elements

Ships and marine technology -- Inflatable buoyancy support systems against flooding of ships

Ships and marine technology — Fireproof watertight hatch covers

Ships and marine technology — Design and test requirements for steel doors using electrical trace heating

Ships and marine technology — Design and test requirements for small steel hatches using electrical trace heating

Shipbuilding and marine structures -Rungs for dog-step ladders