Air filters for automobile engines; Air filters for mechanical purposes; Filter silencers for machines; Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the semiconductor industry; Filters being parts of engines; Filters being parts of motors; Filters being parts of coffee extracting and manufacturing machines; Filters for cleaning cooling air, for engines; Filters for motors and engines; Filters for coffee extracting and manufactu...