FI-MainGroup/Facet-Choice

  • F21H1/00
  • Incandescent mantles; Selection of imbibition liquids therefor HB CC 3K094
  • F21H3/00
  • Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing HB CC 3K094
  • F21H5/00
  • Solid incandescent bodies (incandescent mantles F21H 1/00) HB CC 3K094
  • F21H7/00
  • Other incandescent bodies [2009.01] HB CC 3K094
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