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 JP7930469ApriorityCriticalpatent/JPS5228961B1/ja
Priority to US00074692Aprioritypatent/US3729333A/en
Priority to DE2048554Aprioritypatent/DE2048554C3/de
Publication of JPS5228961B1publicationCriticalpatent/JPS5228961B1/ja