4. Internal-combustion engines
  5. Poppet valve operating mechanism
  6. With means for varying timing

Yooshin Cho

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Continuous variable valve lift device

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate

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Cylinder head having an integrally formed port-exhaust...

Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder head
Reexamination Certificate

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Variable valve lift apparatus

Internal-combustion engines – Poppet valve operating mechanism – With means for varying timing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2181581

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