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Priority to JP45024334ApriorityCriticalpatent/JPS526676B1/ja
Priority to NL7008713Aprioritypatent/NL7008713A/xx
Priority to DE19702029792prioritypatent/DE2029792C3/de
Priority to CH909570Aprioritypatent/CH526304A/de
Priority to FR7022177Aprioritypatent/FR2060015B1/fr
Priority to GB1295122Dprioritypatent/GB1295122A/en
Publication of JPS526676B1publicationCriticalpatent/JPS526676B1/ja