Blowing machines, namely, power operated blowers; blowing machines, namely, power operated blowers with mechanical condensators; blowing machines, namely, power operated blowers for drying inert gas; pumps for compressing gas, namely, air compressors, compressors for machines, electric compressors, and gas compressors; pumps for vacuuming gas, namely, vacuum pumps; pumps for conveying gas, namely, conveying system equipment in the nature of blowers; Blowing machines, namely, power operated bl...