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 JP1300981UpriorityCriticalpatent/JPS6116653Y2/ja
Priority to US06/337,501prioritypatent/US4443775A/en
Priority to DE3202704Aprioritypatent/DE3202704C2/de
Publication of JPS57125509UpublicationCriticalpatent/JPS57125509U/ja
Application grantedgrantedCritical
Publication of JPS6116653Y2publicationCriticalpatent/JPS6116653Y2/ja