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Priority to JP18480184UpriorityCriticalpatent/JPS6320543Y2/ja
Priority to DE3542702Aprioritypatent/DE3542702C2/de
Priority to US06/804,450prioritypatent/US4784026A/en
Publication of JPS6199480UpublicationCriticalpatent/JPS6199480U/ja
Application grantedgrantedCritical
Publication of JPS6320543Y2publicationCriticalpatent/JPS6320543Y2/ja