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PCE
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CPC Subgroup
H01T 21/06

Adjustment of spark gaps (sparking-plugs having movable electrodes for adjusting the gap H01T13/26)

Full Title

Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs > Adjustment of spark gaps (sparking-plugs having movable electrodes for adjusting the gap H01T13/26)