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
Priority claimed from JP8664271Aexternal-prioritypatent/JPS4852787A/ja
Priority claimed from JP711072Aexternal-prioritypatent/JPS4876887A/ja
Application filedfiledCritical
Publication of HU164685BpublicationCriticalpatent/HU164685B/hu