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 JP1975119221UpriorityCriticalpatent/JPS5650427Y2/ja
Priority to DE19762639199prioritypatent/DE2639199C2/de
Publication of JPS5233379UpublicationCriticalpatent/JPS5233379U/ja
Priority to US05/890,967prioritypatent/US4174894A/en
Application grantedgrantedCritical
Publication of JPS5650427Y2publicationCriticalpatent/JPS5650427Y2/ja
