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PCE
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DIFF Subgroup
F23Q 7/20

with built-in mains transformer

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Incandescent ignition; Ignition using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs > Portable igniters > with built-in mains transformer

CPC:

Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes (circuits therefor H01T15/00); Electrically-heated glowing plugs > Portable igniters > with built-in mains transformer

No child classifications to compare. This is a leaf node in both IPC and CPC.