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PCE
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CPC Subgroup
H01T 4/08

structurally associated with protected apparatus (with switches H01H9/14; with fuses H01H85/44)

Full Title

Overvoltage arresters using spark gaps (H01T2/00 takes precedence; overvoltage protection circuits using spark gaps H02H9/06) > structurally associated with protected apparatus (with switches H01H9/14; with fuses H01H85/44)