17 packing and filling materials and devices for use in industrial and chemical plants and installations and in scientific and laboratory apparatus, more particularly for internal use in towers and columns used for treatment of liquids and gases and for mass transfer between liquid and gas phases, namely, scrubbing, distillation, and de-misting such materials and devices comprising tower packings in random or stacked form, made of plastic, glass, ceramics, metals or metal alloys in various shapes and sizes
Trademark: 75250970
