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Priority to JP43088861ApriorityCriticalpatent/JPS4814352B1/ja
Priority to US880758Aprioritypatent/US3670221A/en
Priority to FR6941238Aprioritypatent/FR2024999A1/fr
Priority to DE19691961680prioritypatent/DE1961680C3/de
Priority to NL696918097Aprioritypatent/NL152394B/xx
Priority to GB1289319Dprioritypatent/GB1289319A/en
Publication of JPS4814352B1publicationCriticalpatent/JPS4814352B1/ja