DIFF Subgroup
H02G 9/025 Full Title
Installations of electric cables or lines in or on the ground or water > laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
H02G 9/025 Installations of electric cables or lines in or on the ground or water > laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile