Air filters for automobile engines; Alternators; Bearings, as parts of machines; Bits for power drills; Blades for power saws; Blowing machines for the compression, exhaustion and transport of gases; Blowing machines for the compression, sucking and carrying of grain; Carburetors; Cutting machines; Driving motors, other than for land vehicles; Electric arc welding apparatus; Electric drills; Electric floor polishing machines and apparatus; Electric parquet wax-polishers; Electric pulley block...