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Priority to JP10024571ApriorityCriticalpatent/JPS4864410A/ja
Priority to IT5221072Aprioritypatent/IT962126B/it
Priority to DE19722240717prioritypatent/DE2240717B2/de
Priority to US314626Aprioritypatent/US3867656A/en
Publication of JPS4864410ApublicationCriticalpatent/JPS4864410A/ja