72134203
Dec 18, 1961
Jul 2, 1963
PLASTIC TOWER PACKINGS FOR GASLIQUID CONTACT SYSTEMS SUCH AS CHEMICAL RECOVERY SYSTEMS, WATER DEGASIFIERS, FUME SCRUBBERS FOR ATMOSPHERIC POLLUTION CONTROL, FRUIT STORAGE CONTROLLED ATMOSPHERE SYSTEMS, SOLUTION TANKS FOR DISSOLVED AIR FLOTATION SYSTEMS, AND THE LIKE
Natural Agricultural Products