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Priority to JP7982872ApriorityCriticalpatent/JPS5531330B2/ja
Priority to US386097Aprioritypatent/US3867849A/en
Priority to SE7310857Aprioritypatent/SE419420B/xx
Priority to DE19732340092prioritypatent/DE2340092C3/de
Publication of JPS4935736ApublicationCriticalpatent/JPS4935736A/ja
Publication of JPS5531330B2publicationCriticalpatent/JPS5531330B2/ja