DIFF Subgroup
F23H 11/12 inclined travelling grates; Stepped travelling grates
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Travelling grates > inclined travelling grates; Stepped travelling grates
CPC:
Travelling-grates > inclined travelling grates; Stepped travelling grates
No child classifications to compare. This is a leaf node in both IPC and CPC.