Method and apparatus for measuring apparent density by gamma radiation

Invention Grant

US3531643A Method and apparatus for measuring apparent density by gamma radiation 失效

Title translation: 通过伽马辐射测量意外密度的方法和装置

Patent Title: Method and apparatus for measuring apparent density by gamma radiation
Patent Title (中): 通过伽马辐射测量意外密度的方法和装置
Application No.: US3531643D

Application Date: 1967-10-26
Publication No.: US3531643A

Publication Date: 1970-09-29
Inventor: BRETONNIERE SERGE , CHEVRIER JEAN-PIERRE , GABILLY YVES
Applicant: FRANCE ETAT
Assignee: France Etat
Current Assignee: France Etat
Priority: FR85123 1966-11-25
Main IPC: G01N23/08
IPC: G01N23/08 ; G01T1/16

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