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Priority to JP7226370ApriorityCriticalpatent/JPS4948557B1/ja
Priority to DE19712118693prioritypatent/DE2118693A1/de
Priority to NL7105259Aprioritypatent/NL7105259A/xx
Priority to FR7113788Aprioritypatent/FR2089870A5/fr
Priority to GB1013371Aprioritypatent/GB1288192A/en
Publication of JPS4948557B1publicationCriticalpatent/JPS4948557B1/ja