4. Internal-combustion engines
  5. Rotating cylinder
  6. Parallel to shaft

Seiichiro Ishikawa

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Silver alloy with color fastness

Metal treatment – Stock – Noble metal base
Reexamination Certificate

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Variable compression ratio device of internal combustion engine

Internal-combustion engines – Rotating cylinder – Parallel to shaft
Reexamination Certificate

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Variable compression ratio device of internal combustion engine

Internal-combustion engines – Four-cycle – Variable clearance
Reexamination Certificate

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Variable compression ratio device of internal combustion engine

Internal-combustion engines – Rotating cylinder – Parallel to shaft
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2375335

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