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Priority to JP1985079810UpriorityCriticalpatent/JPS61195080U/ja
Publication of JPS61195080UpublicationCriticalpatent/JPS61195080U/ja
Struttura di castone perfezionato, realizzabile su anelli ed altri gioielli, atta a facilitare l'operazione di incastonatura di brillanti e simili ed a garantirne una perfetta stabilita', nella relativa sede.