Machinery and apparatus for filtering or purifying liquids, made of fluoropolymers and with filter or purifier membrane thickness < 140 μm (excl. those for water and other beverages, and artificial kidneys)
Machinery and apparatus for filtering or purifying liquids (excl. such machinery and apparatus for water and other beverages, oil or petrol filters for internal combustion engines, artificial kidneys, and those made of fluoropolymers with filter or purifier membrane thickness < 140 μm)