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 JP7156675ApriorityCriticalpatent/JPS51147428A/ja
Priority to ZA763475Aprioritypatent/ZA763475B/xx
Publication of JPS51147428ApublicationCriticalpatent/JPS51147428A/ja
Priority to US05/759,098prioritypatent/US4074749A/en
Publication of JPS5238966B2publicationCriticalpatent/JPS5238966B2/ja
