Hulls characterised by their structure or component parts (non-metallic hulls B63B5/00; designing, building, maintaining or repairing methods B63B71/00 - B63B83/00)

Child Classifications

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• B63B 3/02 Hulls assembled from prefabricated sub-units
• B63B 3/09 Hulls constructed of non-magnetic metal
• B63B 3/10 Armoured hulls
• B63B 3/12 Frameless hulls
• B63B 3/13 Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
• B63B 3/14 Hull parts (hull armour B63B3/10)