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Priority to JP1976073531UpriorityCriticalpatent/JPS556567Y2/ja
Priority to US05/793,764prioritypatent/US4083549A/en
Priority to DE2720200Aprioritypatent/DE2720200B2/de
Publication of JPS52163986UpublicationCriticalpatent/JPS52163986U/ja
Application grantedgrantedCritical
Publication of JPS556567Y2publicationCriticalpatent/JPS556567Y2/ja
A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES