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 JP7851581UpriorityCriticalpatent/JPS6039489Y2/ja
Priority to DE19823212010prioritypatent/DE3212010A1/de
Priority to GB8209719Aprioritypatent/GB2098673B/en
Priority to IT8267432Aprioritypatent/IT1191181B/it
Publication of JPS57193060UpublicationCriticalpatent/JPS57193060U/ja
Application grantedgrantedCritical
Publication of JPS6039489Y2publicationCriticalpatent/JPS6039489Y2/ja