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 JP46104999ApriorityCriticalpatent/JPS516572B2/ja
Publication of JPS4869602ApublicationCriticalpatent/JPS4869602A/ja
Priority to US05/521,507prioritypatent/US3962397A/en
Publication of JPS516572B2publicationCriticalpatent/JPS516572B2/ja