CPC Subgroup
H05B 3/66 Supports or mountings for heaters on or in the wall or roof
Full Title
Ohmic-resistance heating > Heating elements specially adapted for furnaces (H05B3/60 takes precedence; arrangements of elements for electric heating in or on furnaces using ohmic resistance heating F27D11/02) > Supports or mountings for heaters on or in the wall or roof