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 JP2064569ApriorityCriticalpatent/JPS4830509B1/ja
Priority to BE739191Dprioritypatent/BE739191A/xx
Priority to GB4666769Aprioritypatent/GB1289529A/en
Publication of JPS4830509B1publicationCriticalpatent/JPS4830509B1/ja