CPC Subgroup
F24S 40/20 Cleaning; Removing snow
Full Title
Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors (control arrangements F24S50/00) > Cleaning; Removing snow
F24S 40/20 Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors (control arrangements F24S50/00) > Cleaning; Removing snow