72026705
Mar 22, 1957
Dec 10, 1957
SOLID OR FOAMED-IN-PLACE, EXPANSIBLE OR FLEXIBLE RESINS INVOLVING POLYISOCYANATES, POLYURETHANES AND SIMILAR POLYMERS AS CHEMICALS AND CHEMICAL COMPOSITIONS, SUCH AS SAID POLYMERS DERIVED FROM POLYESTERS OR POLYETHERS AND POLYISOCYANATES AND THE EQUIVALENTS OF THESE
Metal Goods