DIFF Subgroup
H01B 17/145 Full Title
Insulators or insulating bodies characterised by their form > Supporting insulators (pin insulators H01B17/20; apertured insulators H01B17/24)
H01B 17/145 Insulators or insulating bodies characterised by their form > Supporting insulators (pin insulators H01B17/20; apertured insulators H01B17/24)