CPC Subgroup
H02B 5/01 Earthing arrangements, e.g. earthing rods
Full Title
Non-enclosed substations; Substations with enclosed and non-enclosed equipment > Earthing arrangements, e.g. earthing rods
H02B 5/01 Non-enclosed substations; Substations with enclosed and non-enclosed equipment > Earthing arrangements, e.g. earthing rods