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 JP1977122196UpriorityCriticalpatent/JPS5742613Y2/ja
Priority to US05/939,975prioritypatent/US4219723A/en
Priority to BE190378Aprioritypatent/BE870350A/xx
Publication of JPS5448027UpublicationCriticalpatent/JPS5448027U/ja
Application grantedgrantedCritical
Publication of JPS5742613Y2publicationCriticalpatent/JPS5742613Y2/ja
