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Priority to JP12426973ApriorityCriticalpatent/JPS5338945B2/ja
Priority to US05/517,882prioritypatent/US3991622A/en
Publication of JPS5075482ApublicationCriticalpatent/JPS5075482A/ja
Priority to DE19752531771prioritypatent/DE2531771A1/de
Publication of JPS5338945B2publicationCriticalpatent/JPS5338945B2/ja