4. B - Operations, Transporting
  5. 01
  6. D

Charles D. Hughes

B - Operations – Transporting – 01 – D

Inventor

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Inventor

Country: Canada

Self-propelled rotating aerator

C - Chemistry – Metallurgy – 02 – F
Patent

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Sewage clarifier system

B - Operations – Transporting – 01 – D
Patent

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Upflow reactor filter assembly

B - Operations – Transporting – 01 – D
Patent

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Sewage clarifier system

B - Operations – Transporting – 01 – D
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Upflow reactor filter assembly

B - Operations – Transporting – 01 – D
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-320250

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