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Priority to JP15282575UpriorityCriticalpatent/JPS535833Y2/ja
Priority to GB45673/76Aprioritypatent/GB1563343A/en
Priority to US05/739,378prioritypatent/US4050103A/en
Priority to SE7612531Aprioritypatent/SE425211B/xx
Publication of JPS5266198UpublicationCriticalpatent/JPS5266198U/ja
Application grantedgrantedCritical
Publication of JPS535833Y2publicationCriticalpatent/JPS535833Y2/ja