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Priority to JP276470ApriorityCriticalpatent/JPS4949021B1/ja
Priority to FR7007022Aprioritypatent/FR2033410B1/fr
Priority to NL7002735Aprioritypatent/NL7002735A/xx
Priority to GB974070Aprioritypatent/GB1304871A/en
Priority to DE19702009390prioritypatent/DE2009390B2/de
Priority to CH296170Aprioritypatent/CH563424A5/xx
Priority to CA076148Aprioritypatent/CA938287A/en
Publication of JPS4949021B1publicationCriticalpatent/JPS4949021B1/ja