FI (list display)

  • F01B21/00
  • Combinations of two or more machines or engines (F01B 23/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H) [2006.01] HB CC 3G112
  • F01B21/02
  • .the machines or engines being all of reciprocating-piston type HB CC 3G112
  • F01B21/04
  • .the machines or engines being not all of reciprocating-piston type, e.g. of reciprocating steam engine with steam turbine HB CC 3G112
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