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Priority to JP6947269ApriorityCriticalpatent/JPS5313825B1/ja
Priority to GB4159570Aprioritypatent/GB1321854A/en
Priority to DE2042843Aprioritypatent/DE2042843C3/de
Priority to FR7031682Aprioritypatent/FR2059435A5/fr
Priority to CA092002Aprioritypatent/CA923557A/en
Publication of JPS5313825B1publicationCriticalpatent/JPS5313825B1/ja