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Priority to JP47037478ApriorityCriticalpatent/JPS48103216A/ja
Priority to US344203Aprioritypatent/US3928719A/en
Priority to CA166,854Aprioritypatent/CA1019436A/en
Priority to FR7310740Aprioritypatent/FR2177976B1/fr
Priority to DE19732315033prioritypatent/DE2315033C3/de
Priority to GB1447673Aprioritypatent/GB1395172A/en
Publication of JPS48103216ApublicationCriticalpatent/JPS48103216A/ja