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
Publication of JPS51109374ApublicationCriticalpatent/JPS51109374A/ja
Priority to US05/765,392priorityCriticalpatent/US4113280A/en
Publication of JPS5638704B2publicationCriticalpatent/JPS5638704B2/ja