88516624
Jul 16, 2019
Air cleaning units containing ecological materials; Air filtering installations containing ecological materials; Air filters for industrial installations containing ecological materials; Air purification units containing ecological materials; Air purifiers containing ecological materials; Air purifying apparatus containing ecological materials; Air purifying apparatus and machines containing ecological materials; Air purifying units for municipal and industrial odor and air emissions control use containing ecological materials; Industrial air purifiers containing ecological materials; Separators for the cleaning and purification of air containing ecological materials
Electrical and Scientific Apparatus