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 JP1167972UpriorityCriticalpatent/JPS5648952Y2/ja
Priority to US05/397,803prioritypatent/US3950627A/en
Priority to CA181,578Aprioritypatent/CA1018219A/en
Priority to DE2347722Aprioritypatent/DE2347722C3/de
Publication of JPS4888255UpublicationCriticalpatent/JPS4888255U/ja
Application grantedgrantedCritical
Publication of JPS5648952Y2publicationCriticalpatent/JPS5648952Y2/ja
