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Priority to JP50072673ApriorityCriticalpatent/JPS51148687A/ja
Priority to US05/695,051prioritypatent/US4062807A/en
Priority to DE2626597Aprioritypatent/DE2626597C2/de
Publication of JPS51148687ApublicationCriticalpatent/JPS51148687A/ja
Publication of JPS5239792B2publicationCriticalpatent/JPS5239792B2/ja