Filters of non-woven materials which may be inserted as a machine part, all for use in measurement in scientific installations and apparatus; casings and liners, all made wholly or principally of non-woven materials, for electromagnetic information carriers or floppy discs; protective clothing of non-woven material and/or non-woven materials incorporating activated carbon and/or non-woven materials for screening against energy rich radiation, biological or chemical agents; protective breathing masks and inserts for filters, all for use therewith; separators (parts and batteries); all included in class 9

Protective breathing masks made wholly or principally of non-woven materials for medical or surgical applications; inserts and/or filters all made wholly or principally of non-woven materials for breathing apparatus and/or breathing masks, all for medical or surgical uses; all included in Class 10

Air filters and filter media being parts of air conditioning and space heating installations

Dust and air filter material; thermal or accoustical insulating material, consisting of fabric material,

All goods in this class inclusive of filtering installations for the purification of air, gases and liquids and parts thereof and fittings therefor included in this class

Filtering material included in this class

Air filter units being parts of air conditioning installations.