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 JP4218082UpriorityCriticalpatent/JPS58143779U/ja
Priority to US06/419,536prioritypatent/US4473251A/en
Publication of JPS58143779UpublicationCriticalpatent/JPS58143779U/ja
Application grantedgrantedCritical
Publication of JPS6213908Y2publicationCriticalpatent/JPS6213908Y2/ja