4. Internal-combustion engines
  5. Poppet valve operating mechanism
  6. Hydraulic system

Richard Herman Holtman

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Engine valve actuation system and method

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system
Reexamination Certificate

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Engine valve actuation system and method

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system
Reexamination Certificate

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System and method for calibrating variable actuation system

Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2673766

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