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 JP13766787UpriorityCriticalpatent/JPS6444618U/ja
Priority to US07/229,151prioritypatent/US4866566A/en
Publication of JPS6444618UpublicationCriticalpatent/JPS6444618U/ja
