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 JP3514575ApriorityCriticalpatent/JPS51109709A/ja
Priority to US60815975prioritypatent/US4009440A/en
Publication of JPS51109709ApublicationCriticalpatent/JPS51109709A/ja
Publication of JPS5718375B2publicationCriticalpatent/JPS5718375B2/ja