1
Filtering media of chemical and non-chemical substances included in the class; Filtering media [chemical] for water; Ceramic materials in particulate form, for use as filtering media; Carbon for filters for removing organic contaminants from water; Fibres of organic material for separation purposes; Materials and raw materials for water filtration and water treatment; Materials for water softening, in particular ion exchange resins
9
Filter diaphragms for laboratory use
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Filters for industrial and household use; Water filtering units; Filters for use with apparatus for water supply; Equipment for filtering water; Industrial installations for filtration or treatment of liquids, namely installations for filtration or treatment of water; Water filtration, water treatment, water sterilisation and water purification apparatus, in particular ultrapure water apparatus; Filters for the aforesaid apparatus and equipment; Filters for drinking water; Water purifying filters; Membranes for the filtration of water; Parts and fittings for the aforesaid goods, included in this class; Filter membranes for water purification and treatment; Filtering units for laboratory use; Filter systems for water purification and treatment; Filter cartridges for filter systems for water purification and treatment; Pure water systems; Ultrapure water systems