Class 019
Non-Metallic Building Material Products
PIPES BEING PART OF SANITARY FACILITIES; PIPES BEING PART OF SANITARY FACILITIES, NAMELY, NON-METALLIC PIPES FOR HEATING, AIR CONDITIONING AND REFRIGERATION PLANTS; PIPES BEING PART OF SANITARY FACILITIES, NAMELY, PIPES BEING PART OF PLANTS TO TRANSPORT HOT AND COLD WATER, GEOTHERMIC WATER, AND EFFLUENTS