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Priority to JP15151882UpriorityCriticalpatent/JPS5957178U/ja
Publication of JPS5957178UpublicationCriticalpatent/JPS5957178U/ja
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Publication of JPS6228232Y2publicationCriticalpatent/JPS6228232Y2/ja
Procédé de coulée entre deux plaques de verre d'une résine polyester liquide avec inclusion dans celle-ci d'un objet rigide afin de constituer un tableau à caractère instructif ou décoratif.