7 AGRICULTURE MACHINES, NAMELY, [ EARTH-WORKING MACHINES, NAMELY, HARROWS, POWER TILLERS, PLOWS, CULTIVATORS, PULVERIZERS; ] HAYMAKING MACHINES, NAMELY, TEDDERS, WINDROWERS, COMBINED TEDDER-WINDROWERS, [ GRASS MOWERS, GRASS MOWER-CONDITIONERS, GRASS AERATING-MOWERS; HARVESTING MACHINES, namely, HARVESTERS, COMBINE HARVESTERS, FORAGE BALERS; TREATING MACHINES, NAMELY, SPRAYERS; POWER SEED DRILLS, PNEUMATIC SEED DRILLS, MECHANICAL SEED DRILLS, LAWN MOWERS; MACHINES NAMELY, GRINDERS, SCRUB CLEANERS, SILAGE UNLOADERS, SILAGE UNLOADER FEEDERS, FODDER MIXER-FEEDERS, FERTILIZER SPREADERS, AND REPLACEMENT PARTS THEREFOR; ] POWER TRANSMISSION DEVICES, NAMELY, POWER TRANSMISSION GEAR-WHEELS FOR MACHINES, PROPULSION DEVICES, NAMELY, DRIVE GEARS FOR MACHINES, CASINGS FOR POWER TRANSMISSION GEAR-WHEELS FOR MACHINES