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Application filed by 吉川 時彦filedCritical吉川 時彦
Priority to JP1975132429UpriorityCriticalpatent/JPS5813788Y2/ja
Publication of JPS5246924UpublicationCriticalpatent/JPS5246924U/ja
Application grantedgrantedCritical
Publication of JPS5813788Y2publicationCriticalpatent/JPS5813788Y2/ja