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Priority to JP8765375UpriorityCriticalpatent/JPS5337931Y2/ja
Priority to FR7602627Aprioritypatent/FR2299233A1/fr
Priority to DE19762603886prioritypatent/DE2603886A1/de
Publication of JPS524320UpublicationCriticalpatent/JPS524320U/ja
Application grantedgrantedCritical
Publication of JPS5337931Y2publicationCriticalpatent/JPS5337931Y2/ja