FI-MainGroup/Facet-Choice

  • F03H1/00
  • Use of plasma to produce a reactive propulsive thrust (generating plasma H05H 1/00) HB CC 3D144
  • F03H3/00
  • Use of photons to produce a reactive propulsive thrust HB CC 3D144
  • F03H99/00
  • Subject matter not provided for in other groups of this subclass HB CC 3D144
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