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 JP1978140583UpriorityCriticalpatent/JPS5555731U/ja
Priority to US06/070,729prioritypatent/US4377733A/en
Priority to DE2935271Aprioritypatent/DE2935271C2/de
Publication of JPS5555731UpublicationCriticalpatent/JPS5555731U/ja