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Priority to JP3686169ApriorityCriticalpatent/JPS5017940B1/ja
Priority to DE1928062Aprioritypatent/DE1928062C3/de
Priority to US829265Aprioritypatent/US3616426A/en
Priority to GB2809769Aprioritypatent/GB1276675A/en
Priority to FR6918223Aprioritypatent/FR2010100A1/fr
Publication of JPS5017940B1publicationCriticalpatent/JPS5017940B1/ja