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 JP2240776ApriorityCriticalpatent/JPS52105869A/ja
Priority to US05/756,561prioritypatent/US4120147A/en
Priority to GB513/77Aprioritypatent/GB1566351A/en
Publication of JPS52105869ApublicationCriticalpatent/JPS52105869A/ja
Publication of JPS5741710B2publicationCriticalpatent/JPS5741710B2/ja