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Priority to JP47002283ApriorityCriticalpatent/JPS4871121A/ja
Priority to DE2263209Aprioritypatent/DE2263209C3/de
Priority to US318242Aprioritypatent/US3860747A/en
Priority to GB5966072Aprioritypatent/GB1413840A/en
Publication of JPS4871121ApublicationCriticalpatent/JPS4871121A/ja