CPC Subgroup
F24S 23/715 Full Title
Arrangements for concentrating solar-rays for solar heat collectors > with reflectors > with parabolic reflective surfaces (with cylindro-parabolic reflective surfaces F24S23/74)
F24S 23/715 Arrangements for concentrating solar-rays for solar heat collectors > with reflectors > with parabolic reflective surfaces (with cylindro-parabolic reflective surfaces F24S23/74)