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Application filedfiledCritical
Priority to JP1979119134UpriorityCriticalpatent/JPS6312358Y2/ja
Priority to US06/181,054prioritypatent/US4408861A/en
Priority to DE3032505Aprioritypatent/DE3032505C2/de
Publication of JPS5638352UpublicationCriticalpatent/JPS5638352U/ja
Application grantedgrantedCritical
Publication of JPS6312358Y2publicationCriticalpatent/JPS6312358Y2/ja