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 JP552244ApriorityCriticalpatent/JP171476C1/ja
Application grantedgrantedCritical
Publication of JP171476C1publicationCriticalpatent/JP171476C1/ja