Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP12808473ApriorityCriticalpatent/JPS5077880A/ja
Priority to US05/522,833prioritypatent/US3947789A/en
Priority to FR7437470Aprioritypatent/FR2261609B1/fr
Priority to DE2453889Aprioritypatent/DE2453889B2/de
Priority to IT54036/74Aprioritypatent/IT1023248B/it
Priority to GB49130/74Aprioritypatent/GB1485844A/en
Publication of JPS5077880ApublicationCriticalpatent/JPS5077880A/ja