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 JP43021212ApriorityCriticalpatent/JPS4822612B1/ja
Priority to GB06946/69Aprioritypatent/GB1213092A/en
Priority to DE19691916744prioritypatent/DE1916744A1/de
Priority to US811867Aprioritypatent/US3584280A/en
Publication of JPS4822612B1publicationCriticalpatent/JPS4822612B1/ja