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Priority to JP413469UpriorityCriticalpatent/JPS5627489Y1/ja
Priority to US841286Aprioritypatent/US3601618A/en
Priority to GB1231720Dprioritypatent/GB1231720A/en
Priority to DE19691936726prioritypatent/DE1936726C/de
Priority to FR6924679Aprioritypatent/FR2013418A1/fr
Publication of JPS5627489Y1publicationCriticalpatent/JPS5627489Y1/ja