4. Valves and valve actuation
  5. Fluid actuated or retarded
  6. Pilot or servo type motor

Jean L. Gratzmuller

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Hydraulically controlled safety valve

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Piston-type hydropneumatic accumulator equipped with a gas short

Electricity: circuit makers and breakers – Fluid pressure – With plural operators
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Profile ID: LFUS-PAI-P-474644

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