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Priority to JP261677UpriorityCriticalpatent/JPS6038273Y2/ja
Priority to GB33678Aprioritypatent/GB1567718A/en
Priority to DE19782801079prioritypatent/DE2801079A1/de
Priority to FR7800726Aprioritypatent/FR2375702A1/fr
Publication of JPS5397365UpublicationCriticalpatent/JPS5397365U/ja
Application grantedgrantedCritical
Publication of JPS6038273Y2publicationCriticalpatent/JPS6038273Y2/ja