4. Electricity: power supply or regulation systems
  5. Output level responsive
  6. Using a transformer or inductor as the final control device

Lawrence R. Lafler

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Pneumatic volume booster for valve positioner

Electricity: transmission to vehicles – Collectors – Trolley
Reexamination Certificate

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Pneumatic volume booster for valve positioner

Motors: expansible chamber type – With motive fluid valve – Pilot valve
Reexamination Certificate

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Pneumatic volume booster for valve positioner

Fluid handling – Processes
Reexamination Certificate

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Position detection for rotary control valves

Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Reexamination Certificate

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Position detection for rotary control valves

Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Reexamination Certificate

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Profile ID: LFUS-PAI-P-666513

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