| http://www.w3.org/ns/prov#value | - g upwardly into an upright position, said seat including means supporting the upper edge of the seat back for swinging movement of its lower edge about an axis disposed at about the level of the upwardly swung edge of the corresponding floor panel, and at a point distant from the latter, and means interengageable between the swinging edges of the seat back and the floor panel to support both in su
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