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 JP50021598ApriorityCriticalpatent/JPS5196019A/ja
Priority to DE2558113Aprioritypatent/DE2558113C2/de
Publication of JPS5196019ApublicationCriticalpatent/JPS5196019A/ja
Priority to US05/900,664prioritypatent/US4176306A/en
