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 JP48031704ApriorityCriticalpatent/JPS5843722B2/ja
Priority to DE19742413238prioritypatent/DE2413238A1/de
Publication of JPS49120631ApublicationCriticalpatent/JPS49120631A/ja
Priority to US05/618,672prioritypatent/US3994574A/en
Publication of JPS5843722B2publicationCriticalpatent/JPS5843722B2/ja