4. Internal-combustion engines
  5. Precombustion and main combustion chambers in series
  6. Precombustion chamber assembly inserted in spark plug hole

Joseph G. Ralph

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Directed jet spark plug

Internal-combustion engines – Precombustion and main combustion chambers in series – Precombustion chamber assembly inserted in spark plug hole
Reexamination Certificate

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Planar sensor and a method for measuring the temperature of...

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2103518

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