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 JP1980159411UpriorityCriticalpatent/JPS631280Y2/ja
Publication of JPS5781522UpublicationCriticalpatent/JPS5781522U/ja
Application grantedgrantedCritical
Publication of JPS631280Y2publicationCriticalpatent/JPS631280Y2/ja
A dual source gamma ray traversing mechanism suitable for the non-destructive simultaneous measurement of bulk density and water content in columns of swelling soil