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Application filedfiledCritical
Priority to JP15726276UpriorityCriticalpatent/JPS6022707Y2/ja
Priority to US05/843,856prioritypatent/US4152550A/en
Priority to DE19772747056prioritypatent/DE2747056A1/de
Publication of JPS5374201UpublicationCriticalpatent/JPS5374201U/ja
Application grantedgrantedCritical
Publication of JPS6022707Y2publicationCriticalpatent/JPS6022707Y2/ja