4. Fluid reaction surfaces (i.e., impellers)
  5. Specific blade structure
  6. Laminated, embedded member or encased material

Rainer O. Willingham

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Fan and hub assembly

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material
Patent

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Fan assembly

Automatic temperature and humidity regulation – Cooling radiator – Air control
Patent

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Profile ID: LFUS-PAI-P-1546516

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