Description
Class F16M : FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
Subclass 1/023: Frames or casings of engines, machines, or apparatus; Frames serving as machinery beds for reciprocating engines or similar machines for housing crankshafts specially adapted for engines or machines with star-shaped cylinder arrangement