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Priority to JP432972ApriorityCriticalpatent/JPS542024B2/ja
Priority to DE2300273Aprioritypatent/DE2300273C3/de
Priority to FR7300423Aprioritypatent/FR2167782B1/fr
Priority to GB86573Aprioritypatent/GB1372511A/en
Publication of JPS4873375ApublicationCriticalpatent/JPS4873375A/ja
Priority to US49658474prioritypatent/US3924139A/en
Publication of JPS542024B2publicationCriticalpatent/JPS542024B2/ja