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 JP1985185137UpriorityCriticalpatent/JPS6291769U/ja
Priority to US06/936,506prioritypatent/US4772799A/en
Publication of JPS6291769UpublicationCriticalpatent/JPS6291769U/ja