4. Ventilation
  5. Having inlet airway
  6. Including automatic control means

Christopher B. Clarkson

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Automated air handling system for sports field

Hydraulic and earth engineering – Drainage or irrigation – Control means responsive to sensed condition
Reexamination Certificate

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Reversing shuttle for air handling device

Ventilation – Having inlet airway – Including automatic control means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2021009

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