4. Electric lamp and discharge devices
  5. Spark plugs

Yoshihisa Sugiyama

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Spark plug and internal combustion engine equipped with the...

Internal-combustion engines – Igniters – Sparkers
Reexamination Certificate

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Spark plug and method of producing spark plug

Electric lamp and discharge devices – Spark plugs
Reexamination Certificate

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Spark plug having ground electrode made of NI alloy and...

Electric lamp and discharge devices – Spark plugs – Particular electrode structure or spacing
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Profile ID: LFUS-PAI-P-2615626

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