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Priority to JP1978026198UpriorityCriticalpatent/JPS5653574Y2/ja
Priority to GB7905340Aprioritypatent/GB2017540B/en
Publication of JPS54129753UpublicationCriticalpatent/JPS54129753U/ja
Application grantedgrantedCritical
Publication of JPS5653574Y2publicationCriticalpatent/JPS5653574Y2/ja