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Application filedfiledCritical
Priority to JP13659580UpriorityCriticalpatent/JPS6117621Y2/ja
Priority to US06/304,734prioritypatent/US4456887A/en
Priority to DE3138078Aprioritypatent/DE3138078C2/de
Publication of JPS5760413UpublicationCriticalpatent/JPS5760413U/ja
Application grantedgrantedCritical
Publication of JPS6117621Y2publicationCriticalpatent/JPS6117621Y2/ja