FI-MainGroup/Facet-Choice

  • F28C1/00
  • Direct-contact trickle coolers, e.g. cooling towers (building construction E04H 5/12; enclosed spaces cooled by trickle F25; component parts of trickle coolers F28F 25/00) HB CC 3L101
  • F28C3/00
  • Other direct-contact heat-exchange apparatus HB CC 3L101
    TOP