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 JP15102575UpriorityCriticalpatent/JPS5263043U/ja
Priority to US05/729,642prioritypatent/US4065120A/en
Priority to DE19762646983prioritypatent/DE2646983A1/de
Publication of JPS5263043UpublicationCriticalpatent/JPS5263043U/ja