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Priority to JP8798887UpriorityCriticalpatent/JPH057024Y2/ja
Priority to KR1019880006463Aprioritypatent/KR930001627B1/ko
Publication of JPS63195886UpublicationCriticalpatent/JPS63195886U/ja
Application grantedgrantedCritical
Publication of JPH057024Y2publicationCriticalpatent/JPH057024Y2/ja
Playing machine island, playing ground facilities in which said playing machine island is installed, and flooring block material used for said facilities