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PCE
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CPC Subgroup
H02H 9/04

responsive to excess voltage (lightning arrestors H01C7/12, H01C8/04, H01G9/18, H01T)

Full Title

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection > responsive to excess voltage (lightning arrestors H01C7/12, H01C8/04, H01G9/18, H01T)

8 direct subcodes

Child Classifications

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