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 JP6975876UpriorityCriticalpatent/JPS5516313Y2/ja
Priority to US05/800,859prioritypatent/US4135430A/en
Priority to DE19772724102prioritypatent/DE2724102A1/de
Priority to GB22723/77Aprioritypatent/GB1531704A/en
Publication of JPS52160325UpublicationCriticalpatent/JPS52160325U/ja
Application grantedgrantedCritical
Publication of JPS5516313Y2publicationCriticalpatent/JPS5516313Y2/ja
