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 JP3108876UpriorityCriticalpatent/JPS5727113Y2/ja
Priority to DE19772709487prioritypatent/DE2709487A1/de
Publication of JPS52124187UpublicationCriticalpatent/JPS52124187U/ja
Priority to US06/161,911prioritypatent/US4306229A/en
Application grantedgrantedCritical
Publication of JPS5727113Y2publicationCriticalpatent/JPS5727113Y2/ja