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Priority to JP1975110227UpriorityCriticalpatent/JPS5825030Y2/ja
Priority to DE2630671Aprioritypatent/DE2630671C3/de
Priority to US05/704,037prioritypatent/US4123807A/en
Publication of JPS5225460UpublicationCriticalpatent/JPS5225460U/ja
Application grantedgrantedCritical
Publication of JPS5825030Y2publicationCriticalpatent/JPS5825030Y2/ja