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 JP20318882ApriorityCriticalpatent/JPS5992280A/ja
Priority to US06/475,838prioritypatent/US4540061A/en
Publication of JPS5992280ApublicationCriticalpatent/JPS5992280A/ja
Priority to US06/744,024prioritypatent/US4691799A/en
Publication of JPS6359916B2publicationCriticalpatent/JPS6359916B2/ja