TREA

Subject matter not provided for in other groups of this subclass

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Industry

  • CPC
  • F28F99/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F28Heat exchange F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION

Current Industry

F28F99/00Subject matter not provided for in other groups of this subclass
Industries