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 JP44018192ApriorityCriticalpatent/JPS497696B1/ja
Priority to US808792Aprioritypatent/US3538419A/en
Priority to GB1264538Dprioritypatent/GB1264538A/en
Priority to DE19691914875prioritypatent/DE1914875A1/de
Publication of JPS497696B1publicationCriticalpatent/JPS497696B1/ja