FI-MainGroup/Facet-Choice

  • G21G1/00
  • Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes (by thermonuclear reactions in nuclear reactors G21B; conversion of nuclear fuel in nuclear reactors G21C) [2] HB CC 2G081
  • G21G4/00
  • Radioactive sources [2] HB CC 2G081
  • G21G5/00
  • Alleged conversion of chemical elements by chemical reaction HB CC 2G081
  • G21G7/00
  • Conversion of chemical elements not provided for in other groups of this subclass [2009.01] HB CC 2G081
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