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 JP50072304ApriorityCriticalpatent/JPS51147939A/ja
Priority to US05/654,715prioritypatent/US4112396A/en
Publication of JPS51147939ApublicationCriticalpatent/JPS51147939A/ja
Publication of JPS5551198B2publicationCriticalpatent/JPS5551198B2/ja