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  • F27B9/00
    		•  Furnaces through which the charge is moved mechanically, e.g. of tunnel type (F27B 7/14 takes precedence); Similar furnaces in which the charge moves by gravity HB CC 4K050
  • F27B9/02
    		•  .of multiple-track type; of multiple-chamber type; Combinations of furnaces HB CC 4K050
  • F27B9/04
    		•  .adapted for treating the charge in vacuum or special atmosphere HB CC 4K050
  • F27B9/06
    		•  .heated without contact between combustion gases and charge; electrically heated HB CC 4K050
  • F27B9/06@E
    		•  electrically heated HB CC 4K050
  • F27B9/06@Z
    		•  Others HB CC 4K050
  • F27B9/08
    		•  ..heated through chamber walls HB CC 4K050
  • F27B9/10
    		•  ..heated by hot air or gas HB CC 4K050
  • F27B9/12
    		•  .with special arrangements for preheating or cooling the charge HB CC 4K050
  • F27B9/14
    		•  .characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment (F27B 9/28 takes precedence; travelling or movable supports or containers for the charge F27D 3/12) HB CC 4K050
  • F27B9/16
    		•  ..the charge moving in a circular or arcuate path HB CC 4K050
  • F27B9/18
    		•  ...under the action of scrapers or pushers HB CC 4K050
  • F27B9/18@R
    		•  rotating furnace bodies HB CC 4K050
  • F27B9/18@Z
    		•  Others HB CC 4K050
  • F27B9/20
    		•  ..the charge moving in a substantially straight path HB CC 4K050
  • F27B9/22
    		•  ...under the action of scrapers or pushers (F27B 9/26 takes precedence) HB CC 4K050
  • F27B9/24
    		•  ...being carried by a conveyor HB CC 4K050
  • F27B9/24@R
    		•  by roller conveyors HB CC 4K050
  • F27B9/24@E
    		•  by endless conveyors HB CC 4K050
  • F27B9/24@W
    		•  by walking type conveyors HB CC 4K050
  • F27B9/24@Z
    		•  Others HB CC 4K050
  • F27B9/26
    		•  ...on or in trucks, sleds, or containers HB CC 4K050
  • F27B9/28
    		•  .for treating continuous lengths of work HB CC 4K050
  • F27B9/30
    		•  .Details, accessories, or equipment peculiar to furnaces of these types HB CC 4K050
  • F27B9/32
    		•  ..Casings HB CC 4K050
  • F27B9/34
    		•  ...Arrangements of linings HB CC 4K050
  • F27B9/36
    		•  ..Arrangements of heating devices HB CC 4K050
  • F27B9/38
    		•  ..Arrangement of devices for charging [4] HB CC 4K050
  • F27B9/39
    		•  ..Arrangement of devices for discharging [4] HB CC 4K050
  • F27B9/40
    		•  ..Arrangements of controlling or monitoring devices HB CC 4K050
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