4. Internal-combustion engines
  5. Two-cycle
  6. Pump and cylinder adjacent

Frank Keoppel

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Four stroke internal combustion engine with inlet air...

Internal-combustion engines – Four-cycle – Crankcase compression of air or combustible mixture to be...
Reexamination Certificate

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Two-stroke internal combustion engine with isolated crankcase

Internal-combustion engines – Two-cycle – Pump and cylinder adjacent
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2571600

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