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Priority to JP47042426ApriorityCriticalpatent/JPS493108A/ja
Application filedfiledCritical
Priority to JP1976161631Uprioritypatent/JPS5427521Y2/ja
Publication of JPS5292211UpublicationCriticalpatent/JPS5292211U/ja
Application grantedgrantedCritical
Publication of JPS5427521Y2publicationCriticalpatent/JPS5427521Y2/ja