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Priority to JP45012169ApriorityCriticalpatent/JPS5040538B1/ja
Priority to CA105,115Aprioritypatent/CA949931A/en
Priority to NL7101940Aprioritypatent/NL148174B/xx
Priority to FR7104905Aprioritypatent/FR2079394B1/fr
Priority to DE19712106807prioritypatent/DE2106807C3/de
Priority to GB2167271Aprioritypatent/GB1293311A/en
Publication of JPS5040538B1publicationCriticalpatent/JPS5040538B1/ja