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 JP6208070ApriorityCriticalpatent/JPS4835454B1/ja
Publication of JPS4835454B1publicationCriticalpatent/JPS4835454B1/ja
Priority to US05/597,137prioritypatent/US4078913A/en