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 JP17896285UpriorityCriticalpatent/JPS6287397U/ja
Priority to US06/931,074prioritypatent/US4741240A/en
Publication of JPS6287397UpublicationCriticalpatent/JPS6287397U/ja
