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Priority to JP2248070ApriorityCriticalpatent/JPS507502B1/ja
Priority to US00122727Aprioritypatent/US3733380A/en
Priority to DE19712111821prioritypatent/DE2111821A1/de
Priority to CH393971Aprioritypatent/CH531356A/fr
Priority to FR717111004Aprioritypatent/FR2083397B1/fr
Publication of JPS507502B1publicationCriticalpatent/JPS507502B1/ja