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 JP1978122707UpriorityCriticalpatent/JPS6012619Y2/ja
Priority to US06/054,588prioritypatent/US4338576A/en
Priority to DE2929768Aprioritypatent/DE2929768C2/de
Publication of JPS5539175UpublicationCriticalpatent/JPS5539175U/ja
Application grantedgrantedCritical
Publication of JPS6012619Y2publicationCriticalpatent/JPS6012619Y2/ja
