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Priority to JP1620974ApriorityCriticalpatent/JPS5425572B2/ja
Priority to US05/548,800prioritypatent/US4019484A/en
Priority to DE2505649Aprioritypatent/DE2505649C3/de
Publication of JPS50109330ApublicationCriticalpatent/JPS50109330A/ja
Publication of JPS5425572B2publicationCriticalpatent/JPS5425572B2/ja