DIFF Subgroup
F23H 11/08 with several individually-movable grate surfaces
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Travelling grates > with several individually-movable grate surfaces
CPC:
Travelling-grates > with several individually-movable grate surfaces
No child classifications to compare. This is a leaf node in both IPC and CPC.