| http://www.w3.org/ns/prov#value | - r berth space, each seat including a seat back and means supporting the upper edge of such back for swinging movement of its lower edge about an axis disposed at about the level of the upwardly swung edge of the floor panel, and distant therefrom, means interengageable between the upwardly swung lower edge of .each seat back and the upwardly swung edge of its floor panel to suplport both in such u
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