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Application filedfiledCritical
Priority to JP12242281UpriorityCriticalpatent/JPS5828978U/ja
Priority to US06/368,431prioritypatent/US4472693A/en
Priority to DE3214598Aprioritypatent/DE3214598C2/de
Publication of JPS5828978UpublicationCriticalpatent/JPS5828978U/ja
Application grantedgrantedCritical
Publication of JPS6111893Y2publicationCriticalpatent/JPS6111893Y2/ja