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Application filedfiledCritical
Priority to JP1972016025UpriorityCriticalpatent/JPS5325296Y2/ja
Priority to DE19732306224prioritypatent/DE2306224A1/de
Priority to GB621873Aprioritypatent/GB1416592A/en
Publication of JPS4892623UpublicationCriticalpatent/JPS4892623U/ja
Application grantedgrantedCritical
Publication of JPS5325296Y2publicationCriticalpatent/JPS5325296Y2/ja