CPC Subgroup
F23H 7/18 reciprocating in an upward direction
Full Title
Inclined grates (inclined travelling grates F23H11/12) > with movable bars disposed transversely to direction of fuel feeding > reciprocating in an upward direction
F23H 7/18 Inclined grates (inclined travelling grates F23H11/12) > with movable bars disposed transversely to direction of fuel feeding > reciprocating in an upward direction