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 JP4152274ApriorityCriticalpatent/JPS50134628A/ja
Priority to US05/538,277prioritypatent/US3989915A/en
Publication of JPS50134628ApublicationCriticalpatent/JPS50134628A/ja
