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  • F28F19/00
    		•  Preventing the formation of deposits or corrosion, e.g. by using filters HB CC 3L066
  • F28F19/00,501
    		•  .preventing of adhesion of scales HB CC 3L066
  • F28F19/00,501@A
    		•  injecting of scale forming prevention members HB CC 3L066
  • F28F19/00,501@B
    		•  sterilizing or suppressing organism in the water HB CC 3L066
  • F28F19/00,501@D
    		•  giving electrical charge to dust HB CC 3L066
  • F28F19/00,501@Z
    		•  Others HB CC 3L066
  • F28F19/00,511
    		•  .preventing of corrosion HB CC 3L066
  • F28F19/00,511@A
    		•  injecting corrosion-proof members HB CC 3L066
  • F28F19/00,511@B
    		•  injecting iron ions HB CC 3L066
  • F28F19/00,511@D
    		•  controlling the surface temperature of heat transfer pipes HB CC 3L066
  • F28F19/00,511@E
    		•  using two or more corrosion-proof means together HB CC 3L066
  • F28F19/00,511@Z
    		•  Others HB CC 3L066
  • F28F19/00,521
    		•  .by use of inserting product or accessory HB CC 3L066
  • F28F19/00,541
    		•  .by use of current, voltage, cathode, anode, short circuit for protection purpose, e.g. corrosion protection by electric corrosion protection method HB CC 3L066
  • F28F19/00,561
    		•  .preventing piling up of ice HB CC 3L066
  • F28F19/00,581
    		•  .by use of scraper HB CC 3L066
  • F28F19/01
    		•  .by using means for separating solid materials from heat-exchange fluids, e.g. filters HB CC 3L066
  • F28F19/01,501
    		•  ..arranges strainer HB CC 3L066
  • F28F19/02
    		•  .by using coatings, e.g. vitreous or enamel coatings HB CC 3L066
  • F28F19/02,501
    		•  ..inorganic material films HB CC 3L066
  • F28F19/02,501@A
    		•  glass linings HB CC 3L066
  • F28F19/02,501@B
    		•  enamel, enameled films HB CC 3L066
  • F28F19/02,501@C
    		•  degassing films HB CC 3L066
  • F28F19/02,501@D
    		•  metal oxidized films HB CC 3L066
  • F28F19/02,501@Z
    		•  Others HB CC 3L066
  • F28F19/04
    		•  ..of rubber; of plastics material; of varnish HB CC 3L066
  • F28F19/04@A
    		•  fluorine plastic films HB CC 3L066
  • F28F19/04@Z
    		•  Others HB CC 3L066
  • F28F19/06
    		•  ..of metal HB CC 3L066
  • F28F19/06@A
    		•  Sacrifice anode metal coating HB CC 3L066
  • F28F19/06@B
    		•  zinc containing aluminum alloy HB CC 3L066
  • F28F19/06@C
    		•  corrosion resistant metal films HB CC 3L066
  • F28F19/06@D
    		•  special steel HB CC 3L066
  • F28F19/06@E
    		•  lead alloy HB CC 3L066
  • F28F19/06@F
    		•  titanium alloy HB CC 3L066
  • F28F19/06@Z
    		•  Others HB CC 3L066
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