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Priority to JP14978878UpriorityCriticalpatent/JPS593558Y2/ja
Priority to US06/087,933prioritypatent/US4306205A/en
Priority to DE2943861Aprioritypatent/DE2943861C2/de
Publication of JPS5565843UpublicationCriticalpatent/JPS5565843U/ja
Application grantedgrantedCritical
Publication of JPS593558Y2publicationCriticalpatent/JPS593558Y2/ja