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Priority to JP2088286UpriorityCriticalpatent/JPS6340406Y2/ja
Publication of JPS62132904UpublicationCriticalpatent/JPS62132904U/ja
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Publication of JPS6340406Y2publicationCriticalpatent/JPS6340406Y2/ja
Adjusting device for a piece of furniture on which to lie or for sitting on with at least one swivel part that is pivotally attached, by way of a torsion bar, to said piece of furniture on which to lie or for sitting on