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Class Information
Number: 976/DIG.211
Name: Nuclear technology > Monitoring; testing; maintaining [g21c-17/00] > Remote inspection of vessels (e.g., pressure vessels) [g21c-17/00d] > Inspection of outer surfaces of vessels [g21c-17/00d1]

Patents under this class:

Patent Number Title Of Patent Date Issued
4857261 Reactor vessel head area monitoring system Aug. 15, 1989
4531663 Guide apparatus Jul. 30, 1985
4518560 Rail apparatus around nuclear reactor pressure vessel and method of installing the same May. 21, 1985
4507260 Rail apparatus around reactor pressure vessel Mar. 26, 1985
4474064 Ultrasonic flaw detector Oct. 2, 1984
4432931 Inspection system Feb. 21, 1984
4429329 Remote visual inspection system Jan. 31, 1984
4385523 Apparatus for testing the walls of vessels May. 31, 1983
4336104 Inspection and testing device Jun. 22, 1982
4299656 Inspection and testing device Nov. 10, 1981
4291579 Inspection device Sep. 29, 1981
4010636 Vessel examination system Mar. 8, 1977
3988922 Vessel examination system Nov. 2, 1976
3987666 Device for remote inspection and testing of a structure Oct. 26, 1976
3930942 Industrial technique Jan. 6, 1976

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