DIFF Subgroup
F24S 40/70 Preventing freezing (arrangements for draining the working fluid F24S40/60)
Introduced: January 2018
Title
Titles differ between systems:
IPC: Preventing freezing
CPC: Preventing freezing (arrangements for draining the working fluid F24S40/60)
Full Title
Full titles differ between systems:
IPC:
Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors > Preventing freezing
CPC:
Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors (control arrangements F24S50/00) > Preventing freezing (arrangements for draining the working fluid F24S40/60)
No child classifications to compare. This is a leaf node in both IPC and CPC.