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 JP1181870ApriorityCriticalpatent/JPS502020B1/ja
Priority to DE19702031252prioritypatent/DE2031252A1/de
Priority to GB3121570Aprioritypatent/GB1308174A/en
Priority to FR7023731Aprioritypatent/FR2051362A5/fr
Priority to NL7009458Aprioritypatent/NL7009458A/xx
Publication of JPS502020B1publicationCriticalpatent/JPS502020B1/ja