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 JP50012422ApriorityCriticalpatent/JPS5196612A/ja
Publication of JPS5196612ApublicationCriticalpatent/JPS5196612A/ja
Priority to US05/963,747prioritypatent/US4276334A/en
