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 JP15910585UpriorityCriticalpatent/JPS6267950U/ja
Priority to US06/904,338prioritypatent/US4741295A/en
Priority to GB08621701Aprioritypatent/GB2180594B/en
Publication of JPS6267950UpublicationCriticalpatent/JPS6267950U/ja