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 JP43026780ApriorityCriticalpatent/JPS4833329B1/ja
Priority to GB1267251Dprioritypatent/GB1267251A/en
Priority to US818223Aprioritypatent/US3614305A/en
Priority to DE19691920729prioritypatent/DE1920729C/de
Publication of JPS4833329B1publicationCriticalpatent/JPS4833329B1/ja