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Priority to JP5098568ApriorityCriticalpatent/JPS503780B1/ja
Priority to FR6924367Aprioritypatent/FR2019304A1/fr
Priority to NL6910985Aprioritypatent/NL6910985A/xx
Priority to DE19691936477prioritypatent/DE1936477A1/de
Priority to BE736216Dprioritypatent/BE736216A/xx
Priority to GB1238419Dprioritypatent/GB1238419A/en
Publication of JPS503780B1publicationCriticalpatent/JPS503780B1/ja