4. Fluid handling
  5. Processes
  6. Cleaning, repairing, or assembling

Erling A. Freudendahl

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Gate valve

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Hydrant knock-off combination flow stop and backflow check...

Fluid handling – Destructible or deformable element controlled – Destructible element
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1258638

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