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 JP12553080UpriorityCriticalpatent/JPS5749538U/ja
Priority to US06/232,175prioritypatent/US4409947A/en
Priority to DE19813104437prioritypatent/DE3104437A1/de
Publication of JPS5749538UpublicationCriticalpatent/JPS5749538U/ja
