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 JP8501968ApriorityCriticalpatent/JPS4824140B1/ja
Priority to GB1265968Dprioritypatent/GB1265968A/en
Publication of JPS4824140B1publicationCriticalpatent/JPS4824140B1/ja
Priority to US05/576,432prioritypatent/US4072783A/en