Classification Information
Industrial gas purification apparatus; air filtering installations for industrial purposes; air purifying apparatus and machines for industrial purposes; air filtering installations for industrial purposes, namely, air filtering installations for capturing carbon dioxide; air filtering installations for industrial purposes, namely, air filtering installations for transforming carbon dioxide from combustion apparatus, particularly gas turbines, boilers, and internal combustion engines; carbon dioxide purifying units; desulfurization plants; denitrification plants
Environmental Control Apparatus