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Class Information
Number: 976/DIG.69
Name: Nuclear technology > Reactor fuel elements and their assemblies; selection of substances for use as reactor fuel elements [g21c-3/00] > Assemblies of number of fuel elements in the form of a rigid unit [g21c-3/30] > Bundles of parallel pin-, rod-, or tube-shaped fuel elements [g21c-3/32] > Spacer elements [g21c-3/32m] *** (spacer grids dig. 71)

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.70 Helicoidal spacer elements [g21c-3/32m2] 11

Patents under this class:

Patent Number Title Of Patent Date Issued
4769210 Apparatus for use in liquid alkali environment Sep. 6, 1988
4522781 Integral nuclear fuel element assembly Jun. 11, 1985
4147591 Fuel assembly of fast breeder reactor Apr. 3, 1979
4042456 Nuclear fuel string assembly Aug. 16, 1977
3941654 Tubular fuel cluster Mar. 2, 1976

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