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Priority to JP6003673ApriorityCriticalpatent/JPS508763A/ja
Priority to FR7412599Aprioritypatent/FR2225224B1/fr
Priority to GB1641074Aprioritypatent/GB1466575A/en
Priority to DE19742417953prioritypatent/DE2417953A1/de
Priority to CA197,405Aprioritypatent/CA1003361A/en
Publication of JPS508763ApublicationCriticalpatent/JPS508763A/ja