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 JP13666373ApriorityCriticalpatent/JPS5085980A/ja
Priority to DE19742457537prioritypatent/DE2457537A1/de
Priority to US05/588,952prioritypatent/US4016787A/en
Publication of JPS5085980ApublicationCriticalpatent/JPS5085980A/ja