CPC Subgroup
H01B 17/62 Insulating-layers or insulating-films on metal bodies
Full Title
Insulators or insulating bodies characterised by their form > Insulating bodies > Insulating-layers or insulating-films on metal bodies
H01B 17/62 Insulators or insulating bodies characterised by their form > Insulating bodies > Insulating-layers or insulating-films on metal bodies