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Priority to JP860170ApriorityCriticalpatent/JPS4813742B1/ja
Priority to GB1720670Aprioritypatent/GB1311731A/en
Priority to US00027509Aprioritypatent/US3721070A/en
Priority to CH552070Aprioritypatent/CH510139A/de
Priority to FR7013462Aprioritypatent/FR2039168B1/fr
Priority to DE19702017889prioritypatent/DE2017889C3/de
Publication of JPS4813742B1publicationCriticalpatent/JPS4813742B1/ja