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 JP12291678UpriorityCriticalpatent/JPS5541823U/ja
Priority to US06/070,659prioritypatent/US4294529A/en
Publication of JPS5541823UpublicationCriticalpatent/JPS5541823U/ja