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Application filed by 株式会社ほくさんfiledCritical株式会社ほくさん
Priority to JP17307981UpriorityCriticalpatent/JPS5877455U/ja
Publication of JPS5877455UpublicationCriticalpatent/JPS5877455U/ja
Application grantedgrantedCritical
Publication of JPS6133554Y2publicationCriticalpatent/JPS6133554Y2/ja