4. Hydraulic and earth engineering
  5. Fluid control, treatment, or containment
  6. Flow control

John M Frega

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Modular guide frame for a gate

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Reexamination Certificate

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Sound absorbing panel

Static structures (e.g. – buildings) – With exposed configuration having acoustical function
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3148676

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