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Priority to JP1977008667UpriorityCriticalpatent/JPS5728672Y2/ja
Priority to US05/872,585prioritypatent/US4159147A/en
Priority to FR7802212Aprioritypatent/FR2378649A1/fr
Publication of JPS53104524UpublicationCriticalpatent/JPS53104524U/ja
Application grantedgrantedCritical
Publication of JPS5728672Y2publicationCriticalpatent/JPS5728672Y2/ja