Spark plug

Details Spark plug Spark plug

2007-05-08

2009-10-06

Macchiarolo, Peter (Department: 2879)

Electric lamp and discharge devices

Spark plugs

With transparent part

C123S1690EB, C501S127000

Reexamination Certificate

active

07598661

ABSTRACT:
A spark plug insulator having high dielectric strength, high density, and an optical property that allows the passage of light.

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