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Priority to JP5359267UpriorityCriticalpatent/JPS4429165Y1/ja
Priority to GB1232084Dprioritypatent/GB1232084A/en
Priority to FR1567842Dprioritypatent/FR1567842A/fr
Priority to DE19681772623prioritypatent/DE1772623A1/de
Publication of JPS4429165Y1publicationCriticalpatent/JPS4429165Y1/ja