4. Electric lamp and discharge devices
  5. Spark plugs
  6. Non-conducting material in or adjacent gap

Andreas Niegel

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Spark plug for an internal combustion engine

Electric lamp and discharge devices – Spark plugs – Plural part center electrode lead-in
Reexamination Certificate

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Spark plug for internal combustion engine

Electric lamp and discharge devices – Spark plugs – Particular electrode structure or spacing
Patent

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Spark plug for internal combustion engines

Electric lamp and discharge devices – Spark plugs – Non-conducting material in or adjacent gap
Patent

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Profile ID: LFUS-PAI-P-1204250

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