4. Hydraulic and earth engineering
  5. Drainage or irrigation
  6. Control means responsive to sensed condition

Woody Yang

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Hydraulic pressure-actuated irrigation water distribution valve

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent

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Hydraulic timer mechanism for water irrigation

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

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Profile ID: LFUS-PAI-P-1588572

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