7
Machine tools; Motors and engines (except for land vehicles); Machine coupling and transmission components (except for land vehicles); Agricultural implements other than hand-operated; Automatic vending machines; Venturi scrubbers; Filters for machines, motors, and engines; Dust filters and bags for vacuum cleaners
9
Breathing apparatus, except for artificial respiration; Respiratory masks, other than for artificial respiration; Respirators for filtering air; Filters for respiratory masks; Clothing for protection against accidents, irradiation and fire; Footwear for protection against accidents, radiation and fire
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Air filters; Air filtering installations; Air filtering installations; Filters for use in aquariums; Filters for drinking water; Strainers for water lines; Filters for industrial and household use; Air filters for the motor vehicle, ship and train interiors
12
Air filters for aircraft interiors
24
Textiles and textile goods, not included in other classes; Bed covers; Table covers; Bed linen with an anti-microbial effect; Mattress covers with an anti-microbial effect